55332516 has 24 divisors (see below), whose sum is σ = 129315424. Its totient is φ = 18414720.

The previous prime is 55332499. The next prime is 55332517. The reversal of 55332516 is 61523355.

It is not an unprimeable number, because it can be changed into a prime (55332517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956 + ... + 11628.

Almost surely, 2^55332516 is an apocalyptic number.

It is an amenable number.

55332516 is an abundant number, since it is smaller than the sum of its proper divisors (73982908).

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

55332516 is a wasteful number, since it uses less digits than its factorization.

55332516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371 (or 7369 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 55332516 is about 7438.5829295639. The cubic root of 55332516 is about 381.0600961961.

The spelling of 55332516 in words is "fifty-five million, three hundred thirty-two thousand, five hundred sixteen".