1553152232 has 32 divisors (see below), whose sum is σ = 3134029320. Its totient is φ = 718909440.

The previous prime is 1553152213. The next prime is 1553152301. The reversal of 1553152232 is 2322513551.

It can be written as a sum of positive squares in 4 ways, for example, as 1279779076 + 273373156 = 35774^2 + 16534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1553152195 and 1553152204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85313 + ... + 101904.

Almost surely, 2^1553152232 is an apocalyptic number.

It is an amenable number.

1553152232 is an abundant number, since it is smaller than the sum of its proper divisors (1580877088).

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

1553152232 is a wasteful number, since it uses less digits than its factorization.

1553152232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187301 (or 187297 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 1553152232 is about 39410.0524232080. The cubic root of 1553152232 is about 1158.0785252445.

Adding to 1553152232 its reverse (2322513551), we get a palindrome (3875665783).

The spelling of 1553152232 in words is "one billion, five hundred fifty-three million, one hundred fifty-two thousand, two hundred thirty-two".