915552 has 108 divisors (see below), whose sum is σ = 3017196. Its totient is φ = 261120.

The previous prime is 915547. The next prime is 915557. The reversal of 915552 is 255519.

915552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (915547) and next prime (915557).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 915552.

It is not an unprimeable number, because it can be changed into a prime (915557) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53848 + ... + 53864.

It is an arithmetic number, because the mean of its divisors is an integer number (27937).

2⁹¹⁵⁵⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 915552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508598).

915552 is an abundant number, since it is smaller than the sum of its proper divisors (2101644).

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

915552 is a wasteful number, since it uses less digits than its factorization.

915552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 33 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 915552 is about 956.8448150040. The cubic root of 915552 is about 97.1018874855.

The spelling of 915552 in words is "nine hundred fifteen thousand, five hundred fifty-two".