15506052 has 48 divisors (see below), whose sum is σ = 38922240. Its totient is φ = 4789152.

The previous prime is 15506047. The next prime is 15506053. The reversal of 15506052 is 25060551.

It is not an unprimeable number, because it can be changed into a prime (15506053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9993 + ... + 11439.

It is an arithmetic number, because the mean of its divisors is an integer number (810880).

Almost surely, 2^15506052 is an apocalyptic number.

15506052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15506052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19461120).

15506052 is an abundant number, since it is smaller than the sum of its proper divisors (23416188).

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

15506052 is a wasteful number, since it uses less digits than its factorization.

15506052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 15506052 is about 3937.7724667634. The cubic root of 15506052 is about 249.3639940244.

The spelling of 15506052 in words is "fifteen million, five hundred six thousand, fifty-two".