56424761 has 4 divisors (see below), whose sum is σ = 56983524. Its totient is φ = 55866000.

The previous prime is 56424689. The next prime is 56424779. The reversal of 56424761 is 16742465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16742465 = 5 ⋅3348493.

It can be written as a sum of positive squares in 2 ways, for example, as 37589161 + 18835600 = 6131^2 + 4340^2 .

It is a cyclic number.

It is not a de Polignac number, because 56424761 - 2¹⁰ = 56423737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56424161) 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, 279230 + ... + 279431.

It is an arithmetic number, because the mean of its divisors is an integer number (14245881).

Almost surely, 2^56424761 is an apocalyptic number.

It is an amenable number.

56424761 is a deficient number, since it is larger than the sum of its proper divisors (558763).

56424761 is a wasteful number, since it uses less digits than its factorization.

56424761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558762.

The product of its digits is 40320, while the sum is 35.

The square root of 56424761 is about 7511.6416980578. The cubic root of 56424761 is about 383.5511089382.

The spelling of 56424761 in words is "fifty-six million, four hundred twenty-four thousand, seven hundred sixty-one".