57432250 has 64 divisors (see below), whose sum is σ = 115240320. Its totient is φ = 21369600.

The previous prime is 57432247. The next prime is 57432257. The reversal of 57432250 is 5223475.

It is not an unprimeable number, because it can be changed into a prime (57432257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508194 + ... + 508306.

It is an arithmetic number, because the mean of its divisors is an integer number (1800630).

Almost surely, 2^57432250 is an apocalyptic number.

57432250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57432250 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

57432250 is a wasteful number, since it uses less digits than its factorization.

57432250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57432250 is about 7578.4068246565. The cubic root of 57432250 is about 385.8204799377.

The spelling of 57432250 in words is "fifty-seven million, four hundred thirty-two thousand, two hundred fifty".