55504896 has 52 divisors (see below), whose sum is σ = 148027752. Its totient is φ = 18497536.

The previous prime is 55504879. The next prime is 55504907. The reversal of 55504896 is 69840555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10030 + ... + 14546.

Almost surely, 2^55504896 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 55504896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74013876).

55504896 is an abundant number, since it is smaller than the sum of its proper divisors (92522856).

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

55504896 is an equidigital number, since it uses as much as digits as its factorization.

55504896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 55504896 is about 7450.1608036337. The cubic root of 55504896 is about 381.4553974836.

The spelling of 55504896 in words is "fifty-five million, five hundred four thousand, eight hundred ninety-six".