55332916 has 24 divisors (see below), whose sum is σ = 99459360. Its totient is φ = 26920992.

The previous prime is 55332913. The next prime is 55332919. The reversal of 55332916 is 61923355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55332913) and next prime (55332919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55332911) 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, 66495 + ... + 67321.

It is an arithmetic number, because the mean of its divisors is an integer number (4144140).

Almost surely, 2^55332916 is an apocalyptic number.

It is an amenable number.

55332916 is a deficient number, since it is larger than the sum of its proper divisors (44126444).

55332916 is a wasteful number, since it uses less digits than its factorization.

55332916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1261 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 55332916 is about 7438.6098163568. The cubic root of 55332916 is about 381.0610144246.

The spelling of 55332916 in words is "fifty-five million, three hundred thirty-two thousand, nine hundred sixteen".