56553552 has 100 divisors (see below), whose sum is σ = 178607616. Its totient is φ = 17133120.

The previous prime is 56553547. The next prime is 56553569. The reversal of 56553552 is 25535565.

56553552 is a `hidden beast` number, since 56 + 5 + 53 + 552 = 666.

56553552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 19 ways as a sum of consecutive naturals, for example, 12273 + ... + 16239.

Almost surely, 2^56553552 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 56553552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89303808).

56553552 is an abundant number, since it is smaller than the sum of its proper divisors (122054064).

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

56553552 is a wasteful number, since it uses less digits than its factorization.

56553552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998 (or 3983 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 56553552 is about 7520.2095715479. The cubic root of 56553552 is about 383.8427090180.

The spelling of 56553552 in words is "fifty-six million, five hundred fifty-three thousand, five hundred fifty-two".