15551252 has 12 divisors (see below), whose sum is σ = 27330240. Its totient is φ = 7742616.

The previous prime is 15551233. The next prime is 15551267. The reversal of 15551252 is 25215551.

15551252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (2277520).

Almost surely, 2^15551252 is an apocalyptic number.

It is an amenable number.

15551252 is a deficient number, since it is larger than the sum of its proper divisors (11778988).

15551252 is a wasteful number, since it uses less digits than its factorization.

15551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16510 (or 16508 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 15551252 is about 3943.5075757503. The cubic root of 15551252 is about 249.6060568947.

The spelling of 15551252 in words is "fifteen million, five hundred fifty-one thousand, two hundred fifty-two".