55530315 has 24 divisors (see below), whose sum is σ = 96426720. Its totient is φ = 29562624.

The previous prime is 55530301. The next prime is 55530317. The reversal of 55530315 is 51303555.

It is not a de Polignac number, because 55530315 - 2⁵ = 55530283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55530317) 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, 44794 + ... + 46016.

It is an arithmetic number, because the mean of its divisors is an integer number (4017780).

Almost surely, 2^55530315 is an apocalyptic number.

55530315 is a deficient number, since it is larger than the sum of its proper divisors (40896405).

55530315 is a wasteful number, since it uses less digits than its factorization.

55530315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 55530315 is about 7451.8665446987. The cubic root of 55530315 is about 381.5136189840.

The spelling of 55530315 in words is "fifty-five million, five hundred thirty thousand, three hundred fifteen".