57250940 has 48 divisors (see below), whose sum is σ = 123367104. Its totient is φ = 22310400.

The previous prime is 57250927. The next prime is 57250961. The reversal of 57250940 is 4905275.

It is a junction number, because it is equal to n+sod(n) for n = 57250897 and 57250906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203600 + ... + 203880.

It is an arithmetic number, because the mean of its divisors is an integer number (2570148).

Almost surely, 2^57250940 is an apocalyptic number.

It is an amenable number.

57250940 is an abundant number, since it is smaller than the sum of its proper divisors (66116164).

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

57250940 is a wasteful number, since it uses less digits than its factorization.

57250940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57250940 is about 7566.4350919042. The cubic root of 57250940 is about 385.4140482835.

The spelling of 57250940 in words is "fifty-seven million, two hundred fifty thousand, nine hundred forty".