1553164032 has 72 divisors (see below), whose sum is σ = 4724223616. Its totient is φ = 443759616.

The previous prime is 1553163973. The next prime is 1553164061. The reversal of 1553164032 is 2304613551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139078 + ... + 149829.

Almost surely, 2^1553164032 is an apocalyptic number.

1553164032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1553164032 is an abundant number, since it is smaller than the sum of its proper divisors (3171059584).

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

1553164032 is an equidigital number, since it uses as much as digits as its factorization.

1553164032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288933 (or 288919 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1553164032 is about 39410.2021309204. The cubic root of 1553164032 is about 1158.0814580526.

Adding to 1553164032 its reverse (2304613551), we get a palindrome (3857777583).

The spelling of 1553164032 in words is "one billion, five hundred fifty-three million, one hundred sixty-four thousand, thirty-two".