56130432 has 32 divisors (see below), whose sum is σ = 149097480. Its totient is φ = 18710016.

The previous prime is 56130421. The next prime is 56130433. The reversal of 56130432 is 23403165.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56130433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72703 + ... + 73470.

Almost surely, 2^56130432 is an apocalyptic number.

It is an amenable number.

56130432 is an abundant number, since it is smaller than the sum of its proper divisors (92967048).

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

56130432 is a wasteful number, since it uses less digits than its factorization.

56130432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146190 (or 146178 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 56130432 is about 7492.0245594899. The cubic root of 56130432 is about 382.8830389086.

Adding to 56130432 its reverse (23403165), we get a palindrome (79533597).

The spelling of 56130432 in words is "fifty-six million, one hundred thirty thousand, four hundred thirty-two".