15390055 has 8 divisors (see below), whose sum is σ = 18493344. Its totient is φ = 12295200.

The previous prime is 15390041. The next prime is 15390121. The reversal of 15390055 is 55009351.

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

It is not a de Polignac number, because 15390055 - 2¹¹ = 15388007 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, 3070 + ... + 6340.

It is an arithmetic number, because the mean of its divisors is an integer number (2311668).

Almost surely, 2^15390055 is an apocalyptic number.

15390055 is a deficient number, since it is larger than the sum of its proper divisors (3103289).

15390055 is an equidigital number, since it uses as much as digits as its factorization.

15390055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217.

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 15390055 is about 3923.0160591055. The cubic root of 15390055 is about 248.7406265670.

The spelling of 15390055 in words is "fifteen million, three hundred ninety thousand, fifty-five".