57485540 has 48 divisors (see below), whose sum is σ = 142732800. Its totient is φ = 19028352.

The previous prime is 57485537. The next prime is 57485557. The reversal of 57485540 is 4558475.

57485540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57485494 and 57485503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3020 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (2973600).

Almost surely, 2^57485540 is an apocalyptic number.

It is an amenable number.

57485540 is an abundant number, since it is smaller than the sum of its proper divisors (85247260).

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

57485540 is a wasteful number, since it uses less digits than its factorization.

57485540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204 (or 14202 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 57485540 is about 7581.9219199356. The cubic root of 57485540 is about 385.9397742221.

The spelling of 57485540 in words is "fifty-seven million, four hundred eighty-five thousand, five hundred forty".