55512576 has 120 divisors (see below), whose sum is σ = 183207024. Its totient is φ = 15851520.

The previous prime is 55512559. The next prime is 55512601. The reversal of 55512576 is 67521555.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55512576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31396 + ... + 33116.

Almost surely, 2^55512576 is an apocalyptic number.

55512576 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 55512576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91603512).

55512576 is an abundant number, since it is smaller than the sum of its proper divisors (127694448).

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

55512576 is a wasteful number, since it uses less digits than its factorization.

55512576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1733 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 55512576 is about 7450.6762109221. The cubic root of 55512576 is about 381.4729901800.

It can be divided in two parts, 555 and 12576, that added together give a palindrome (13131).

The spelling of 55512576 in words is "fifty-five million, five hundred twelve thousand, five hundred seventy-six".