55305156 has 24 divisors (see below), whose sum is σ = 134656704. Its totient is φ = 17633440.

The previous prime is 55305139. The next prime is 55305167. The reversal of 55305156 is 65150355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99915 + ... + 100466.

It is an arithmetic number, because the mean of its divisors is an integer number (5610696).

Almost surely, 2^55305156 is an apocalyptic number.

It is an amenable number.

55305156 is an abundant number, since it is smaller than the sum of its proper divisors (79351548).

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

55305156 is a wasteful number, since it uses less digits than its factorization.

55305156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200411 (or 200409 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55305156 is about 7436.7436422133. The cubic root of 55305156 is about 380.9972788640.

The spelling of 55305156 in words is "fifty-five million, three hundred five thousand, one hundred fifty-six".