15250055 has 8 divisors (see below), whose sum is σ = 18371232. Its totient is φ = 12152608.

The previous prime is 15250051. The next prime is 15250057. The reversal of 15250055 is 55005251.

15250055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15250055 - 2² = 15250051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15250055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250051) 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, 4484 + ... + 7113.

It is an arithmetic number, because the mean of its divisors is an integer number (2296404).

Almost surely, 2^15250055 is an apocalyptic number.

15250055 is a deficient number, since it is larger than the sum of its proper divisors (3121177).

15250055 is a wasteful number, since it uses less digits than its factorization.

15250055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11865.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 15250055 is about 3905.1318799754. The cubic root of 15250055 is about 247.9840813143.

The spelling of 15250055 in words is "fifteen million, two hundred fifty thousand, fifty-five".