57906780 has 24 divisors (see below), whose sum is σ = 162139152. Its totient is φ = 15441792.

The previous prime is 57906721. The next prime is 57906803. The reversal of 57906780 is 8760975.

It is a congruent number.

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, 482497 + ... + 482616.

It is an arithmetic number, because the mean of its divisors is an integer number (6755798).

Almost surely, 2^57906780 is an apocalyptic number.

It is an amenable number.

57906780 is an abundant number, since it is smaller than the sum of its proper divisors (104232372).

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

57906780 is a wasteful number, since it uses less digits than its factorization.

57906780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965125 (or 965123 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 57906780 is about 7609.6504518933. The cubic root of 57906780 is about 386.8801717559.

The spelling of 57906780 in words is "fifty-seven million, nine hundred six thousand, seven hundred eighty".