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5575501 = 11814721
BaseRepresentation
bin10101010001001101001101
3101111021011001
4111101031031
52411404001
6315300301
765251051
oct25211515
911437131
105575501
113168a58
121a4a691
131202a19
14a51c61
15752001
hex55134d

5575501 has 4 divisors (see below), whose sum is σ = 5581404. Its totient is φ = 5569600.

The previous prime is 5575487. The next prime is 5575517. The reversal of 5575501 is 1055755.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1055755 = 5211151.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 1368900 = 2051^2 + 1170^2 .

It is a 3-Lehmer number, since φ(5575501) divides (5575501-1)3.

It is a cyclic number.

It is not a de Polignac number, because 5575501 - 217 = 5444429 is a prime.

It is a super-2 number, since 2×55755012 = 62172422802002, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5575501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5575561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (1395351).

It is a Poulet number, since it divides 25575500-1.

Almost surely, 25575501 is an apocalyptic number.

5575501 is the 1181-st decagonal number.

It is an amenable number.

5575501 is a deficient number, since it is larger than the sum of its proper divisors (5903).

5575501 is a wasteful number, since it uses less digits than its factorization.

5575501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 5575501 is about 2361.2498808894. The cubic root of 5575501 is about 177.3214603611.

The spelling of 5575501 in words is "five million, five hundred seventy-five thousand, five hundred one".

Divisors: 1 1181 4721 5575501