57479668554 has 64 divisors (see below), whose sum is σ = 146659138560. Its totient is φ = 14582574720.

The previous prime is 57479668553. The next prime is 57479668559. The reversal of 57479668554 is 45586697475.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57479668553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426819 + ... + 1466550.

It is an arithmetic number, because the mean of its divisors is an integer number (2291549040).

Almost surely, 2^57479668554 is an apocalyptic number.

57479668554 is an abundant number, since it is smaller than the sum of its proper divisors (89179470006).

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

57479668554 is a wasteful number, since it uses less digits than its factorization.

57479668554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893435.

The product of its digits is 254016000, while the sum is 66.

The spelling of 57479668554 in words is "fifty-seven billion, four hundred seventy-nine million, six hundred sixty-eight thousand, five hundred fifty-four".