56424751 has 4 divisors (see below), whose sum is σ = 59743872. Its totient is φ = 53105632.

The previous prime is 56424689. The next prime is 56424779. The reversal of 56424751 is 15742465.

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 56424751 - 2¹⁵ = 56391983 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 (56434751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659535 + ... + 1659568.

It is an arithmetic number, because the mean of its divisors is an integer number (14935968).

Almost surely, 2^56424751 is an apocalyptic number.

56424751 is a deficient number, since it is larger than the sum of its proper divisors (3319121).

56424751 is a wasteful number, since it uses less digits than its factorization.

56424751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319120.

The product of its digits is 33600, while the sum is 34.

The square root of 56424751 is about 7511.6410324243. The cubic root of 56424751 is about 383.5510862797.

It can be divided in two parts, 56424 and 751, that added together give a palindrome (57175).

The spelling of 56424751 in words is "fifty-six million, four hundred twenty-four thousand, seven hundred fifty-one".