57054940 has 12 divisors (see below), whose sum is σ = 119815416. Its totient is φ = 22821968.

The previous prime is 57054917. The next prime is 57054953. The reversal of 57054940 is 4945075.

It is a junction number, because it is equal to n+sod(n) for n = 57054896 and 57054905.

It is a congruent number.

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, 1426354 + ... + 1426393.

It is an arithmetic number, because the mean of its divisors is an integer number (9984618).

Almost surely, 2^57054940 is an apocalyptic number.

It is an amenable number.

57054940 is an abundant number, since it is smaller than the sum of its proper divisors (62760476).

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

57054940 is a wasteful number, since it uses less digits than its factorization.

57054940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852756 (or 2852754 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57054940 is about 7553.4720493294. The cubic root of 57054940 is about 384.9737205878.

The spelling of 57054940 in words is "fifty-seven million, fifty-four thousand, nine hundred forty".