56633730 has 32 divisors (see below), whose sum is σ = 137274048. Its totient is φ = 14952000.

The previous prime is 56633729. The next prime is 56633747. The reversal of 56633730 is 3733665.

It is a junction number, because it is equal to n+sod(n) for n = 56633691 and 56633700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6316 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (4289814).

Almost surely, 2^56633730 is an apocalyptic number.

56633730 is an abundant number, since it is smaller than the sum of its proper divisors (80640318).

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

56633730 is a wasteful number, since it uses less digits than its factorization.

56633730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18802.

The product of its (nonzero) digits is 34020, while the sum is 33.

The square root of 56633730 is about 7525.5385189367. The cubic root of 56633730 is about 384.0240192224.

The spelling of 56633730 in words is "fifty-six million, six hundred thirty-three thousand, seven hundred thirty".