56636130 has 32 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 14581952.

The previous prime is 56636123. The next prime is 56636141. The reversal of 56636130 is 3163665.

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

It is an unprimeable number.

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, 31680 + ... + 33419.

It is an arithmetic number, because the mean of its divisors is an integer number (4394250).

Almost surely, 2^56636130 is an apocalyptic number.

56636130 is an abundant number, since it is smaller than the sum of its proper divisors (83979870).

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

56636130 is a wasteful number, since it uses less digits than its factorization.

56636130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65138.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 56636130 is about 7525.6979742745. The cubic root of 56636130 is about 384.0294438143.

Adding to 56636130 its reverse (3163665), we get a palindrome (59799795).

The spelling of 56636130 in words is "fifty-six million, six hundred thirty-six thousand, one hundred thirty".