56451276 has 96 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 15928704.

The previous prime is 56451257. The next prime is 56451281. The reversal of 56451276 is 67215465.

It is a happy number.

56451276 is a `hidden beast` number, since 5 + 645 + 1 + 2 + 7 + 6 = 666.

56451276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56451276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66865 + ... + 67703.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^56451276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56451276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

56451276 is an abundant number, since it is smaller than the sum of its proper divisors (112892724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56451276 is a wasteful number, since it uses less digits than its factorization.

56451276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 56451276 is about 7513.4064178640. The cubic root of 56451276 is about 383.6111786954.

The spelling of 56451276 in words is "fifty-six million, four hundred fifty-one thousand, two hundred seventy-six".