553257 has 16 divisors (see below), whose sum is σ = 847360. Its totient is φ = 356400.

The previous prime is 553253. The next prime is 553277. The reversal of 553257 is 752355.

It is not a de Polignac number, because 553257 - 2² = 553253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 553257.

It is not an unprimeable number, because it can be changed into a prime (553253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (52960).

2⁵⁵³²⁵⁷ is an apocalyptic number.

It is an amenable number.

553257 is a deficient number, since it is larger than the sum of its proper divisors (294103).

553257 is a wasteful number, since it uses less digits than its factorization.

553257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 695 counting only the distinct ones).

The product of its digits is 5250, while the sum is 27.

The square root of 553257 is about 743.8124763675. The cubic root of 553257 is about 82.0935379161.

The spelling of 553257 in words is "five hundred fifty-three thousand, two hundred fifty-seven".