56124451 has 4 divisors (see below), whose sum is σ = 56178904. Its totient is φ = 56070000.

The previous prime is 56124433. The next prime is 56124473. The reversal of 56124451 is 15442165.

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 56124451 - 2⁹ = 56123939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56124401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25650 + ... + 27751.

It is an arithmetic number, because the mean of its divisors is an integer number (14044726).

Almost surely, 2^56124451 is an apocalyptic number.

56124451 is a deficient number, since it is larger than the sum of its proper divisors (54453).

56124451 is a wasteful number, since it uses less digits than its factorization.

56124451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54452.

The product of its digits is 4800, while the sum is 28.

The square root of 56124451 is about 7491.6253910617. The cubic root of 56124451 is about 382.8694390085.

The spelling of 56124451 in words is "fifty-six million, one hundred twenty-four thousand, four hundred fifty-one".