15200055 has 40 divisors (see below), whose sum is σ = 29353632. Its totient is φ = 7480512.

The previous prime is 15200051. The next prime is 15200069. The reversal of 15200055 is 55000251.

It is not a de Polignac number, because 15200055 - 2² = 15200051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15200051) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3822 + ... + 6708.

Almost surely, 2^15200055 is an apocalyptic number.

15200055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15200055 is a deficient number, since it is larger than the sum of its proper divisors (14153577).

15200055 is a wasteful number, since it uses less digits than its factorization.

15200055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917 (or 2908 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 15200055 is about 3898.7247915184. The cubic root of 15200055 is about 247.7127647017.

The spelling of 15200055 in words is "fifteen million, two hundred thousand, fifty-five".