56451051 has 24 divisors (see below), whose sum is σ = 83378880. Its totient is φ = 36794736.

The previous prime is 56451013. The next prime is 56451061. The reversal of 56451051 is 15015465.

It is a happy number.

56451051 is a `hidden beast` number, since 5 + 645 + 10 + 5 + 1 = 666.

It is not a de Polignac number, because 56451051 - 2⁷ = 56450923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56451061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107676 + ... + 108198.

It is an arithmetic number, because the mean of its divisors is an integer number (3474120).

Almost surely, 2^56451051 is an apocalyptic number.

56451051 is a deficient number, since it is larger than the sum of its proper divisors (26927829).

56451051 is a wasteful number, since it uses less digits than its factorization.

56451051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 56451051 is about 7513.3914446141. The cubic root of 56451051 is about 383.6106690368.

It can be divided in two parts, 564 and 51051, that added together give a palindrome (51615).

The spelling of 56451051 in words is "fifty-six million, four hundred fifty-one thousand, fifty-one".