55365015 has 16 divisors (see below), whose sum is σ = 89284608. Its totient is φ = 29294496.

The previous prime is 55365007. The next prime is 55365041. The reversal of 55365015 is 51056355.

It is not a de Polignac number, because 55365015 - 2³ = 55365007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12627 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (5580288).

Almost surely, 2^55365015 is an apocalyptic number.

55365015 is a deficient number, since it is larger than the sum of its proper divisors (33919593).

55365015 is a wasteful number, since it uses less digits than its factorization.

55365015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29198.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55365015 is about 7440.7670975512. The cubic root of 55365015 is about 381.1346855407.

The spelling of 55365015 in words is "fifty-five million, three hundred sixty-five thousand, fifteen".