56402951 has 4 divisors (see below), whose sum is σ = 61530504. Its totient is φ = 51275400.

The previous prime is 56402947. The next prime is 56402953. The reversal of 56402951 is 15920465.

It is a happy number.

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

It is not a de Polignac number, because 56402951 - 2² = 56402947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56402953) 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, 2563760 + ... + 2563781.

It is an arithmetic number, because the mean of its divisors is an integer number (15382626).

Almost surely, 2^56402951 is an apocalyptic number.

56402951 is a deficient number, since it is larger than the sum of its proper divisors (5127553).

56402951 is a wasteful number, since it uses less digits than its factorization.

56402951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127552.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 56402951 is about 7510.1898111832. The cubic root of 56402951 is about 383.5016842555.

The spelling of 56402951 in words is "fifty-six million, four hundred two thousand, nine hundred fifty-one".