55328996 has 12 divisors (see below), whose sum is σ = 97187580. Its totient is φ = 27561120.

The previous prime is 55328989. The next prime is 55329041. The reversal of 55328996 is 69982355.

It can be written as a sum of positive squares in 2 ways, for example, as 16516096 + 38812900 = 4064^2 + 6230^2 .

It is a super-2 number, since 2×55328996² = 6122595596736032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55328996.

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, 24635 + ... + 26786.

It is an arithmetic number, because the mean of its divisors is an integer number (8098965).

Almost surely, 2^55328996 is an apocalyptic number.

It is an amenable number.

55328996 is a deficient number, since it is larger than the sum of its proper divisors (41858584).

55328996 is a wasteful number, since it uses less digits than its factorization.

55328996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51694 (or 51692 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 55328996 is about 7438.3463215959. The cubic root of 55328996 is about 381.0520155949.

The spelling of 55328996 in words is "fifty-five million, three hundred twenty-eight thousand, nine hundred ninety-six".