56651250 has 40 divisors (see below), whose sum is σ = 141592176. Its totient is φ = 15106000.

The previous prime is 56651233. The next prime is 56651251. The reversal of 56651250 is 5215665.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56651251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3804 + ... + 11303.

Almost surely, 2^56651250 is an apocalyptic number.

56651250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56651250 is an abundant number, since it is smaller than the sum of its proper divisors (84940926).

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

56651250 is a wasteful number, since it uses less digits than its factorization.

56651250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56651250 is about 7526.7024652234. The cubic root of 56651250 is about 384.0636152202.

The spelling of 56651250 in words is "fifty-six million, six hundred fifty-one thousand, two hundred fifty".