57015656562 has 32 divisors (see below), whose sum is σ = 115102215360. Its totient is φ = 18826810560.

The previous prime is 57015656561. The next prime is 57015656569. The reversal of 57015656562 is 26565651075.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57015656561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5595112 + ... + 5605292.

It is an arithmetic number, because the mean of its divisors is an integer number (3596944230).

Almost surely, 2^57015656562 is an apocalyptic number.

57015656562 is an abundant number, since it is smaller than the sum of its proper divisors (58086558798).

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

57015656562 is a wasteful number, since it uses less digits than its factorization.

57015656562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18858.

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 57015656562 in words is "fifty-seven billion, fifteen million, six hundred fifty-six thousand, five hundred sixty-two".