1553332332 has 12 divisors (see below), whose sum is σ = 3624442136. Its totient is φ = 517777440.

The previous prime is 1553332331. The next prime is 1553332343. The reversal of 1553332332 is 2332333551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1553332332³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1553332332.

It is not an unprimeable number, because it can be changed into a prime (1553332331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64722169 + ... + 64722192.

Almost surely, 2^1553332332 is an apocalyptic number.

1553332332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1553332332 is an abundant number, since it is smaller than the sum of its proper divisors (2071109804).

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

1553332332 is a wasteful number, since it uses less digits than its factorization.

1553332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129444368 (or 129444366 counting only the distinct ones).

The product of its digits is 24300, while the sum is 30.

The square root of 1553332332 is about 39412.3373069906. The cubic root of 1553332332 is about 1158.1232862317.

Adding to 1553332332 its reverse (2332333551), we get a palindrome (3885665883).

The spelling of 1553332332 in words is "one billion, five hundred fifty-three million, three hundred thirty-two thousand, three hundred thirty-two".