56402361 has 24 divisors (see below), whose sum is σ = 87010560. Its totient is φ = 35128800.

The previous prime is 56402323. The next prime is 56402383. The reversal of 56402361 is 16320465.

It is not a de Polignac number, because 56402361 - 2¹⁹ = 55878073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56402321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4606 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (3625440).

Almost surely, 2^56402361 is an apocalyptic number.

It is an amenable number.

56402361 is a deficient number, since it is larger than the sum of its proper divisors (30608199).

56402361 is a wasteful number, since it uses less digits than its factorization.

56402361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037 (or 7034 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56402361 is about 7510.1505311145. The cubic root of 56402361 is about 383.5003470513.

It can be divided in two parts, 5640 and 2361, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 56402361 in words is "fifty-six million, four hundred two thousand, three hundred sixty-one".