55051308 has 72 divisors (see below), whose sum is σ = 151860800. Its totient is φ = 16713216.

The previous prime is 55051291. The next prime is 55051313. The reversal of 55051308 is 80315055.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36228 + ... + 37716.

Almost surely, 2^55051308 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 55051308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75930400).

55051308 is an abundant number, since it is smaller than the sum of its proper divisors (96809492).

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

55051308 is a wasteful number, since it uses less digits than its factorization.

55051308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55051308 is about 7419.6568653813. The cubic root of 55051308 is about 380.4134650105.

The spelling of 55051308 in words is "fifty-five million, fifty-one thousand, three hundred eight".