56455552 has 32 divisors (see below), whose sum is σ = 113654520. Its totient is φ = 27930624.

The previous prime is 56455541. The next prime is 56455559. The reversal of 56455552 is 25555465.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56455559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10143 + ... + 14689.

Almost surely, 2^56455552 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 56455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56827260).

56455552 is an abundant number, since it is smaller than the sum of its proper divisors (57198968).

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

56455552 is an equidigital number, since it uses as much as digits as its factorization.

56455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4646 counting only the distinct ones).

The product of its digits is 150000, while the sum is 37.

The square root of 56455552 is about 7513.6909704885. The cubic root of 56455552 is about 383.6208642159.

The spelling of 56455552 in words is "fifty-six million, four hundred fifty-five thousand, five hundred fifty-two".