15030055 has 8 divisors (see below), whose sum is σ = 18253872. Its totient is φ = 11878848.

The previous prime is 15030049. The next prime is 15030079. The reversal of 15030055 is 55003051.

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 15030055 - 2¹⁵ = 14997287 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 7 ways as a sum of consecutive naturals, for example, 17694 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (2281734).

Almost surely, 2^15030055 is an apocalyptic number.

15030055 is a deficient number, since it is larger than the sum of its proper divisors (3223817).

15030055 is an equidigital number, since it uses as much as digits as its factorization.

15030055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36305.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 15030055 is about 3876.8614883692. The cubic root of 15030055 is about 246.7858131079.

The spelling of 15030055 in words is "fifteen million, thirty thousand, fifty-five".