56432138 has 8 divisors (see below), whose sum is σ = 96740832. Its totient is φ = 24185196.

The previous prime is 56432107. The next prime is 56432191. The reversal of 56432138 is 83123465.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2015420 + ... + 2015447.

It is an arithmetic number, because the mean of its divisors is an integer number (12092604).

Almost surely, 2^56432138 is an apocalyptic number.

56432138 is a deficient number, since it is larger than the sum of its proper divisors (40308694).

56432138 is a wasteful number, since it uses less digits than its factorization.

56432138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030876.

The product of its digits is 17280, while the sum is 32.

The square root of 56432138 is about 7512.1327198073. The cubic root of 56432138 is about 383.5678234278.

The spelling of 56432138 in words is "fifty-six million, four hundred thirty-two thousand, one hundred thirty-eight".