15051955 has 4 divisors (see below), whose sum is σ = 18062352. Its totient is φ = 12041560.

The previous prime is 15051923. The next prime is 15051973. The reversal of 15051955 is 55915051.

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

It is not a de Polignac number, because 15051955 - 2⁵ = 15051923 is a prime.

It is a super-2 number, since 2×15051955² = 453122698644050, which contains 22 as substring.

It is a Duffinian 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, 1505191 + ... + 1505200.

It is an arithmetic number, because the mean of its divisors is an integer number (4515588).

Almost surely, 2^15051955 is an apocalyptic number.

15051955 is a deficient number, since it is larger than the sum of its proper divisors (3010397).

15051955 is an equidigital number, since it uses as much as digits as its factorization.

15051955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010396.

The product of its (nonzero) digits is 5625, while the sum is 31.

The square root of 15051955 is about 3879.6849098864. The cubic root of 15051955 is about 246.9056172036.

The spelling of 15051955 in words is "fifteen million, fifty-one thousand, nine hundred fifty-five".