56432899 has 4 divisors (see below), whose sum is σ = 57745336. Its totient is φ = 55120464.

The previous prime is 56432891. The next prime is 56432921. The reversal of 56432899 is 99823465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56432899 - 2³ = 56432891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56432891) 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, 656154 + ... + 656239.

It is an arithmetic number, because the mean of its divisors is an integer number (14436334).

Almost surely, 2^56432899 is an apocalyptic number.

56432899 is a deficient number, since it is larger than the sum of its proper divisors (1312437).

56432899 is a wasteful number, since it uses less digits than its factorization.

56432899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312436.

The product of its digits is 466560, while the sum is 46.

The square root of 56432899 is about 7512.1833710314. The cubic root of 56432899 is about 383.5695475860.

The spelling of 56432899 in words is "fifty-six million, four hundred thirty-two thousand, eight hundred ninety-nine".