56401132 has 12 divisors (see below), whose sum is σ = 99116640. Its totient is φ = 28082096.

The previous prime is 56401123. The next prime is 56401141. The reversal of 56401132 is 23110465.

It is an interprime number because it is at equal distance from previous prime (56401123) and next prime (56401141).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28543 + ... + 30454.

It is an arithmetic number, because the mean of its divisors is an integer number (8259720).

Almost surely, 2^56401132 is an apocalyptic number.

It is an amenable number.

56401132 is a deficient number, since it is larger than the sum of its proper divisors (42715508).

56401132 is a wasteful number, since it uses less digits than its factorization.

56401132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59240 (or 59238 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56401132 is about 7510.0687080745. The cubic root of 56401132 is about 383.4975615571.

Adding to 56401132 its reverse (23110465), we get a palindrome (79511597).

The spelling of 56401132 in words is "fifty-six million, four hundred one thousand, one hundred thirty-two".