1552397232 has 20 divisors (see below), whose sum is σ = 4010359640. Its totient is φ = 517465728.

The previous prime is 1552397221. The next prime is 1552397281. The reversal of 1552397232 is 2327932551.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 16170757 + ... + 16170852.

It is an arithmetic number, because the mean of its divisors is an integer number (200517982).

Almost surely, 2^1552397232 is an apocalyptic number.

1552397232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552397232 is an abundant number, since it is smaller than the sum of its proper divisors (2457962408).

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

1552397232 is a wasteful number, since it uses less digits than its factorization.

1552397232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32341620 (or 32341614 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 1552397232 is about 39400.4724844766. The cubic root of 1552397232 is about 1157.8908443500.

The spelling of 1552397232 in words is "one billion, five hundred fifty-two million, three hundred ninety-seven thousand, two hundred thirty-two".