56453616 has 60 divisors (see below), whose sum is σ = 158630472. Its totient is φ = 18741888.

The previous prime is 56453611. The next prime is 56453623. The reversal of 56453616 is 61635465.

56453616 is a `hidden beast` number, since 5 + 645 + 3 + 6 + 1 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56453611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43570 + ... + 44846.

Almost surely, 2^56453616 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 56453616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79315236).

56453616 is an abundant number, since it is smaller than the sum of its proper divisors (102176856).

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

56453616 is a wasteful number, since it uses less digits than its factorization.

56453616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1589 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 56453616 is about 7513.5621378944. The cubic root of 56453616 is about 383.6164790642.

It can be divided in two parts, 5645 and 3616, that added together give a cube (9261 = 21³).

The spelling of 56453616 in words is "fifty-six million, four hundred fifty-three thousand, six hundred sixteen".