15055005 has 24 divisors (see below), whose sum is σ = 28022112. Its totient is φ = 6881952.

The previous prime is 15054997. The next prime is 15055069. The reversal of 15055005 is 50055051.

It is not a de Polignac number, because 15055005 - 2³ = 15054997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9507 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (1167588).

Almost surely, 2^15055005 is an apocalyptic number.

15055005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15055005 is a deficient number, since it is larger than the sum of its proper divisors (12967107).

15055005 is a wasteful number, since it uses less digits than its factorization.

15055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505 (or 20498 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 15055005 is about 3880.0779631342. The cubic root of 15055005 is about 246.9222930280.

It can be divided in two parts, 150 and 55005, that added together give a palindrome (55155).

The spelling of 15055005 in words is "fifteen million, fifty-five thousand, five".