57117570450 has 24 divisors (see below), whose sum is σ = 141651575088. Its totient is φ = 15231352080.

The previous prime is 57117570443. The next prime is 57117570487. The reversal of 57117570450 is 5407571175.

It is a super-2 number, since 2×57117570450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 190391752 + ... + 190392051.

It is an arithmetic number, because the mean of its divisors is an integer number (5902148962).

Almost surely, 2^57117570450 is an apocalyptic number.

57117570450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57117570450 is an abundant number, since it is smaller than the sum of its proper divisors (84534004638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57117570450 is a wasteful number, since it uses less digits than its factorization.

57117570450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380783818 (or 380783813 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 42.

The spelling of 57117570450 in words is "fifty-seven billion, one hundred seventeen million, five hundred seventy thousand, four hundred fifty".