1552313532 has 72 divisors (see below), whose sum is σ = 4596480000. Its totient is φ = 403196640.

The previous prime is 1552313519. The next prime is 1552313533. The reversal of 1552313532 is 2353132551.

1552313532 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1552313532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552313533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113532 + ... + 126467.

It is an arithmetic number, because the mean of its divisors is an integer number (63840000).

Almost surely, 2^1552313532 is an apocalyptic number.

1552313532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552313532 is an abundant number, since it is smaller than the sum of its proper divisors (3044166468).

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

1552313532 is a wasteful number, since it uses less digits than its factorization.

1552313532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240031 (or 240022 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 1552313532 is about 39399.4103001555. The cubic root of 1552313532 is about 1157.8700341253.

The spelling of 1552313532 in words is "one billion, five hundred fifty-two million, three hundred thirteen thousand, five hundred thirty-two".