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553353401 = 729775833
BaseRepresentation
bin100000111110111…
…000000010111001
31102120020021011102
4200332320002321
52113124302101
6130524141145
716466266136
oct4076700271
91376207142
10553353401
11264398667
121353977b5
138a845963
14536c358d
15338a686b
hex20fb80b9

553353401 has 4 divisors (see below), whose sum is σ = 553436532. Its totient is φ = 553270272.

The previous prime is 553353391. The next prime is 553353403. The reversal of 553353401 is 104353355.

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 360810025 + 192543376 = 18995^2 + 13876^2 .

It is a cyclic number.

It is not a de Polignac number, because 553353401 - 222 = 549159097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553353403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30620 + ... + 45213.

It is an arithmetic number, because the mean of its divisors is an integer number (138359133).

Almost surely, 2553353401 is an apocalyptic number.

It is an amenable number.

553353401 is a deficient number, since it is larger than the sum of its proper divisors (83131).

553353401 is an equidigital number, since it uses as much as digits as its factorization.

553353401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83130.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 553353401 is about 23523.4649020930. The cubic root of 553353401 is about 820.9830570608.

The spelling of 553353401 in words is "five hundred fifty-three million, three hundred fifty-three thousand, four hundred one".

Divisors: 1 7297 75833 553353401