451570056 has 96 divisors (see below), whose sum is σ = 1333638720. Its totient is φ = 124813440.

The previous prime is 451570051. The next prime is 451570057. The reversal of 451570056 is 650075154.

It is a junction number, because it is equal to n+sod(n) for n = 451569999 and 451570026.

It is not an unprimeable number, because it can be changed into a prime (451570051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160050 + ... + 162846.

It is an arithmetic number, because the mean of its divisors is an integer number (13892070).

Almost surely, 2^451570056 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 451570056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666819360).

451570056 is an abundant number, since it is smaller than the sum of its proper divisors (882068664).

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

451570056 is a wasteful number, since it uses less digits than its factorization.

451570056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 451570056 is about 21250.1777874916. The cubic root of 451570056 is about 767.1996191794.

The spelling of 451570056 in words is "four hundred fifty-one million, five hundred seventy thousand, fifty-six".