56633250 has 32 divisors (see below), whose sum is σ = 141358464. Its totient is φ = 15102000.

The previous prime is 56633233. The next prime is 56633257. The reversal of 56633250 is 5233665.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56633257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37006 + ... + 38505.

It is an arithmetic number, because the mean of its divisors is an integer number (4417452).

Almost surely, 2^56633250 is an apocalyptic number.

56633250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56633250 is an abundant number, since it is smaller than the sum of its proper divisors (84725214).

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

56633250 is a wasteful number, since it uses less digits than its factorization.

56633250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75531 (or 75521 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 56633250 is about 7525.5066274637. The cubic root of 56633250 is about 384.0229342856.

The spelling of 56633250 in words is "fifty-six million, six hundred thirty-three thousand, two hundred fifty".