55012608 has 180 divisors, whose sum is σ = 187966240. Its totient is φ = 15676416.

The previous prime is 55012589. The next prime is 55012613. The reversal of 55012608 is 80621055.

55012608 is a `hidden beast` number, since 5 + 50 + 1 + 2 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 144963 + ... + 145341.

Almost surely, 2^55012608 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 55012608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93983120).

55012608 is an abundant number, since it is smaller than the sum of its proper divisors (132953632).

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

55012608 is an equidigital number, since it uses as much as digits as its factorization.

55012608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 55012608 is about 7417.0484695733. The cubic root of 55012608 is about 380.3243030224.

The spelling of 55012608 in words is "fifty-five million, twelve thousand, six hundred eight".