55332315 has 24 divisors (see below), whose sum is σ = 99463728. Its totient is φ = 29509920.

The previous prime is 55332287. The next prime is 55332317. The reversal of 55332315 is 51323355.

It is not a de Polignac number, because 55332315 - 2⁵ = 55332283 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55332317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21556 + ... + 23985.

It is an arithmetic number, because the mean of its divisors is an integer number (4144322).

Almost surely, 2^55332315 is an apocalyptic number.

55332315 is a deficient number, since it is larger than the sum of its proper divisors (44131413).

55332315 is an equidigital number, since it uses as much as digits as its factorization.

55332315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45561 (or 45549 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 55332315 is about 7438.5694189138. The cubic root of 55332315 is about 381.0596347847.

The spelling of 55332315 in words is "fifty-five million, three hundred thirty-two thousand, three hundred fifteen".