15552066 has 16 divisors (see below), whose sum is σ = 31531104. Its totient is φ = 5112864.

The previous prime is 15552041. The next prime is 15552067. The reversal of 15552066 is 66025551.

15552066 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15552067) 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, 17316 + ... + 18191.

It is an arithmetic number, because the mean of its divisors is an integer number (1970694).

Almost surely, 2^15552066 is an apocalyptic number.

15552066 is an abundant number, since it is smaller than the sum of its proper divisors (15979038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15552066 is a wasteful number, since it uses less digits than its factorization.

15552066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35585.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 15552066 is about 3943.6107820118. The cubic root of 15552066 is about 249.6104118664.

The spelling of 15552066 in words is "fifteen million, five hundred fifty-two thousand, sixty-six".