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50055001 = 367713613
BaseRepresentation
bin1011111011110…
…0011101011001
310111012001112221
42332330131121
5100303230001
64544504041
71145313643
oct276743531
9114161487
1050055001
1126289077
121491b021
13a4a7459
14690d893
1545db1a1
hex2fbc759

50055001 has 4 divisors (see below), whose sum is σ = 50072292. Its totient is φ = 50037712.

The previous prime is 50054999. The next prime is 50055037. The reversal of 50055001 is 10055005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14055001 + 36000000 = 3749^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055001 - 21 = 50054999 is a prime.

It is a super-2 number, since 2×500550012 = 5011006250220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50055601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (12518073).

Almost surely, 250055001 is an apocalyptic number.

It is an amenable number.

50055001 is a deficient number, since it is larger than the sum of its proper divisors (17291).

50055001 is a wasteful number, since it uses less digits than its factorization.

50055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 50055001 is about 7074.9559009226. The cubic root of 50055001 is about 368.5381839737.

The spelling of 50055001 in words is "fifty million, fifty-five thousand, one".

Divisors: 1 3677 13613 50055001