57727872 has 48 divisors (see below), whose sum is σ = 166121280. Its totient is φ = 19242240.

The previous prime is 57727867. The next prime is 57727927. The reversal of 57727872 is 27872775.

It is a happy number.

57727872 is a `hidden beast` number, since 577 + 2 + 7 + 8 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23904 + ... + 26207.

It is an arithmetic number, because the mean of its divisors is an integer number (3460860).

Almost surely, 2^57727872 is an apocalyptic number.

It is an amenable number.

57727872 is an abundant number, since it is smaller than the sum of its proper divisors (108393408).

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

57727872 is a wasteful number, since it uses less digits than its factorization.

57727872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50131 (or 50116 counting only the distinct ones).

The product of its digits is 384160, while the sum is 45.

The square root of 57727872 is about 7597.8860217826. The cubic root of 57727872 is about 386.4813274797.

The spelling of 57727872 in words is "fifty-seven million, seven hundred twenty-seven thousand, eight hundred seventy-two".