57232000 has 192 divisors, whose sum is σ = 167792040. Its totient is φ = 19353600.

The previous prime is 57231989. The next prime is 57232039. The reversal of 57232000 is 23275.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18593344 + 38638656 = 4312^2 + 6216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783964 + ... + 784036.

Almost surely, 2^57232000 is an apocalyptic number.

57232000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83896020).

57232000 is an abundant number, since it is smaller than the sum of its proper divisors (110560040).

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

57232000 is an equidigital number, since it uses as much as digits as its factorization.

57232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 57232000 is about 7565.1834082195. The cubic root of 57232000 is about 385.3715421564.

Adding to 57232000 its reverse (23275), we get a palindrome (57255275).

The spelling of 57232000 in words is "fifty-seven million, two hundred thirty-two thousand".