56940032 has 20 divisors (see below), whose sum is σ = 113769876. Its totient is φ = 28469760.

The previous prime is 56940031. The next prime is 56940043. The reversal of 56940032 is 23004965.

It is a super-2 number, since 2×56940032² = 6484334488322048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56939977 and 56940004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56940031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55094 + ... + 56117.

Almost surely, 2^56940032 is an apocalyptic number.

It is an amenable number.

56940032 is a deficient number, since it is larger than the sum of its proper divisors (56829844).

56940032 is an equidigital number, since it uses as much as digits as its factorization.

56940032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111229 (or 111213 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56940032 is about 7545.8619123331. The cubic root of 56940032 is about 384.7151026611.

Adding to 56940032 its reverse (23004965), we get a palindrome (79944997).

The spelling of 56940032 in words is "fifty-six million, nine hundred forty thousand, thirty-two".