56451270 has 32 divisors (see below), whose sum is σ = 139147488. Its totient is φ = 14646528.

The previous prime is 56451257. The next prime is 56451281. The reversal of 56451270 is 7215465.

56451270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56451270² = 6373491769225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 24319 + ... + 26538.

It is an arithmetic number, because the mean of its divisors is an integer number (4348359).

Almost surely, 2^56451270 is an apocalyptic number.

56451270 is an abundant number, since it is smaller than the sum of its proper divisors (82696218).

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

56451270 is a wasteful number, since it uses less digits than its factorization.

56451270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50904.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 56451270 is about 7513.4060185777. The cubic root of 56451270 is about 383.6111651045.

The spelling of 56451270 in words is "fifty-six million, four hundred fifty-one thousand, two hundred seventy".