55552896 has 144 divisors (see below), whose sum is σ = 184923960. Its totient is φ = 15681024.

The previous prime is 55552877. The next prime is 55552901. The reversal of 55552896 is 69825555.

55552896 is a `hidden beast` number, since 5 + 5 + 552 + 8 + 96 = 666.

55552896 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 (144).

It is a super-2 number, since 2×55552896² = 6172248507973632, which contains 22 as substring.

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 17 ways as a sum of consecutive naturals, for example, 669271 + ... + 669353.

Almost surely, 2^55552896 is an apocalyptic number.

55552896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55552896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92461980).

55552896 is an abundant number, since it is smaller than the sum of its proper divisors (129371064).

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

55552896 is an equidigital number, since it uses as much as digits as its factorization.

55552896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 95 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 55552896 is about 7453.3815144537. The cubic root of 55552896 is about 381.5653252250.

The spelling of 55552896 in words is "fifty-five million, five hundred fifty-two thousand, eight hundred ninety-six".