55563552 has 72 divisors (see below), whose sum is σ = 172383120. Its totient is φ = 16836480.

The previous prime is 55563551. The next prime is 55563583. The reversal of 55563552 is 25536555.

55563552 is a `hidden beast` number, since 55 + 56 + 3 + 552 = 666.

55563552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (55563551) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5602 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (2394210).

Almost surely, 2^55563552 is an apocalyptic number.

It is an amenable number.

55563552 is an abundant number, since it is smaller than the sum of its proper divisors (116819568).

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

55563552 is a wasteful number, since it uses less digits than its factorization.

55563552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566 (or 17555 counting only the distinct ones).

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

The square root of 55563552 is about 7454.0963234989. The cubic root of 55563552 is about 381.5897205938.

The spelling of 55563552 in words is "fifty-five million, five hundred sixty-three thousand, five hundred fifty-two".