57506401380 has 24 divisors (see below), whose sum is σ = 161017924032. Its totient is φ = 15335040352.

The previous prime is 57506401367. The next prime is 57506401409. The reversal of 57506401380 is 8310460575.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479219952 + ... + 479220071.

It is an arithmetic number, because the mean of its divisors is an integer number (6709080168).

Almost surely, 2^57506401380 is an apocalyptic number.

It is an amenable number.

57506401380 is an abundant number, since it is smaller than the sum of its proper divisors (103511522652).

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

57506401380 is a wasteful number, since it uses less digits than its factorization.

57506401380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958440035 (or 958440033 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 57506401380 in words is "fifty-seven billion, five hundred six million, four hundred one thousand, three hundred eighty".