57044250 has 112 divisors (see below), whose sum is σ = 160618536. Its totient is φ = 15163200.

The previous prime is 57044249. The next prime is 57044261. The reversal of 57044250 is 5244075.

57044250 is a `hidden beast` number, since 570 + 4 + 42 + 50 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2712609 + 54331641 = 1647^2 + 7371^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 182094 + ... + 182406.

Almost surely, 2^57044250 is an apocalyptic number.

57044250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57044250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80309268).

57044250 is an abundant number, since it is smaller than the sum of its proper divisors (103574286).

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

57044250 is an equidigital number, since it uses as much as digits as its factorization.

57044250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 57044250 is about 7552.7643945777. The cubic root of 57044250 is about 384.9496757746.

The spelling of 57044250 in words is "fifty-seven million, forty-four thousand, two hundred fifty".