57411820 has 12 divisors (see below), whose sum is σ = 120564864. Its totient is φ = 22964720.

The previous prime is 57411817. The next prime is 57411857. The reversal of 57411820 is 2811475.

It is a super-2 number, since 2×57411820² = 6592234151424800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435276 + ... + 1435315.

It is an arithmetic number, because the mean of its divisors is an integer number (10047072).

Almost surely, 2^57411820 is an apocalyptic number.

It is an amenable number.

57411820 is an abundant number, since it is smaller than the sum of its proper divisors (63153044).

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

57411820 is a wasteful number, since it uses less digits than its factorization.

57411820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870600 (or 2870598 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 57411820 is about 7577.0587961293. The cubic root of 57411820 is about 385.7747260437.

The spelling of 57411820 in words is "fifty-seven million, four hundred eleven thousand, eight hundred twenty".