56440956 has 96 divisors (see below), whose sum is σ = 159860736. Its totient is φ = 15264000.

The previous prime is 56440949. The next prime is 56440973. The reversal of 56440956 is 65904465.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52666 + ... + 53726.

It is an arithmetic number, because the mean of its divisors is an integer number (1665216).

Almost surely, 2^56440956 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 56440956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79930368).

56440956 is an abundant number, since it is smaller than the sum of its proper divisors (103419780).

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

56440956 is a wasteful number, since it uses less digits than its factorization.

56440956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56440956 is about 7512.7196140945. The cubic root of 56440956 is about 383.5878009620.

It can be divided in two parts, 564409 and 56, that added together give a palindrome (564465).

The spelling of 56440956 in words is "fifty-six million, four hundred forty thousand, nine hundred fifty-six".