56435867 has 4 divisors (see below), whose sum is σ = 56457336. Its totient is φ = 56414400.

The previous prime is 56435857. The next prime is 56435881. The reversal of 56435867 is 76853465.

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 56435867 - 2⁸ = 56435611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56435837) 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, 6134 + ... + 12267.

It is an arithmetic number, because the mean of its divisors is an integer number (14114334).

Almost surely, 2^56435867 is an apocalyptic number.

56435867 is the 6134-th pentagonal number.

56435867 is a deficient number, since it is larger than the sum of its proper divisors (21469).

56435867 is a wasteful number, since it uses less digits than its factorization.

56435867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468.

The product of its digits is 604800, while the sum is 44.

The square root of 56435867 is about 7512.3809141976. The cubic root of 56435867 is about 383.5762718814.

The spelling of 56435867 in words is "fifty-six million, four hundred thirty-five thousand, eight hundred sixty-seven".