57088388257 has 4 divisors (see below), whose sum is σ = 57089214720. Its totient is φ = 57087561796.

The previous prime is 57088388249. The next prime is 57088388309. The reversal of 57088388257 is 75288388075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57088388257 - 2³ = 57088388249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57088388195 and 57088388204.

It is not an unprimeable number, because it can be changed into a prime (57088388657) 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 3 ways as a sum of consecutive naturals, for example, 299113 + ... + 451270.

It is an arithmetic number, because the mean of its divisors is an integer number (14272303680).

Almost surely, 2^57088388257 is an apocalyptic number.

It is an amenable number.

57088388257 is a deficient number, since it is larger than the sum of its proper divisors (826463).

57088388257 is an equidigital number, since it uses as much as digits as its factorization.

57088388257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826462.

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 57088388257 in words is "fifty-seven billion, eighty-eight million, three hundred eighty-eight thousand, two hundred fifty-seven".