15056255 has 4 divisors (see below), whose sum is σ = 18067512. Its totient is φ = 12045000.

The previous prime is 15056213. The next prime is 15056281. The reversal of 15056255 is 55265051.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15056255 - 2¹⁸ = 14794111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505621 + ... + 1505630.

It is an arithmetic number, because the mean of its divisors is an integer number (4516878).

Almost surely, 2^15056255 is an apocalyptic number.

15056255 is a deficient number, since it is larger than the sum of its proper divisors (3011257).

15056255 is an equidigital number, since it uses as much as digits as its factorization.

15056255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011256.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 15056255 is about 3880.2390390284. The cubic root of 15056255 is about 246.9291267316.

The spelling of 15056255 in words is "fifteen million, fifty-six thousand, two hundred fifty-five".