257555053 has 8 divisors (see below), whose sum is σ = 297656640. Its totient is φ = 218280480.

The previous prime is 257555033. The next prime is 257555057. The reversal of 257555053 is 350555752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 257555053 - 2⁵ = 257555021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257555057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206083 + ... + 207328.

It is an arithmetic number, because the mean of its divisors is an integer number (37207080).

Almost surely, 2^257555053 is an apocalyptic number.

It is an amenable number.

257555053 is a deficient number, since it is larger than the sum of its proper divisors (40101587).

257555053 is an equidigital number, since it uses as much as digits as its factorization.

257555053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413507.

The product of its (nonzero) digits is 131250, while the sum is 37.

The square root of 257555053 is about 16048.5218322436. The cubic root of 257555053 is about 636.2434996113.

The spelling of 257555053 in words is "two hundred fifty-seven million, five hundred fifty-five thousand, fifty-three".