15056855 has 16 divisors (see below), whose sum is σ = 20348928. Its totient is φ = 10596000.

The previous prime is 15056851. The next prime is 15056857. The reversal of 15056855 is 55865051.

It is not a de Polignac number, because 15056855 - 2² = 15056851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15056851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2711 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (1271808).

Almost surely, 2^15056855 is an apocalyptic number.

15056855 is a deficient number, since it is larger than the sum of its proper divisors (5292073).

15056855 is a wasteful number, since it uses less digits than its factorization.

15056855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 15056855 is about 3880.3163530826. The cubic root of 15056855 is about 246.9324067749.

The spelling of 15056855 in words is "fifteen million, fifty-six thousand, eight hundred fifty-five".