15055489 has 8 divisors (see below), whose sum is σ = 15980328. Its totient is φ = 14135040.

The previous prime is 15055477. The next prime is 15055517. The reversal of 15055489 is 98455051.

15055489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 501264 + 14554225 = 708^2 + 3815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15055489 - 2⁵ = 15055457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15052489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8379 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (1997541).

Almost surely, 2^15055489 is an apocalyptic number.

It is an amenable number.

15055489 is a deficient number, since it is larger than the sum of its proper divisors (924839).

15055489 is a wasteful number, since it uses less digits than its factorization.

15055489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 15055489 is about 3880.1403325138. The cubic root of 15055489 is about 246.9249390829.

The spelling of 15055489 in words is "fifteen million, fifty-five thousand, four hundred eighty-nine".