56331250 has 24 divisors (see below), whose sum is σ = 105626052. Its totient is φ = 22530000.

The previous prime is 56331241. The next prime is 56331259. The reversal of 56331250 is 5213365.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56331241) and next prime (56331259).

It can be written as a sum of positive squares in 6 ways, for example, as 7513081 + 48818169 = 2741^2 + 6987^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (56331259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1744 + ... + 10756.

Almost surely, 2^56331250 is an apocalyptic number.

56331250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56331250 is a deficient number, since it is larger than the sum of its proper divisors (49294802).

56331250 is an frugal number, since it uses more digits than its factorization.

56331250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040 (or 9020 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 56331250 is about 7505.4147120596. The cubic root of 56331250 is about 383.3391093438.

It can be divided in two parts, 563 and 31250, that added together give a palindrome (31813).

The spelling of 56331250 in words is "fifty-six million, three hundred thirty-one thousand, two hundred fifty".