1553132000 has 96 divisors (see below), whose sum is σ = 4361273280. Its totient is φ = 532492800.

The previous prime is 1553131997. The next prime is 1553132039. The reversal of 1553132000 is 2313551.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266 + ... + 55734.

It is an arithmetic number, because the mean of its divisors is an integer number (45429930).

Almost surely, 2^1553132000 is an apocalyptic number.

1553132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1553132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180636640).

1553132000 is an abundant number, since it is smaller than the sum of its proper divisors (2808141280).

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

1553132000 is an equidigital number, since it uses as much as digits as its factorization.

1553132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55501 (or 55483 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1553132000 is about 39409.7957365932. The cubic root of 1553132000 is about 1158.0734966869.

Adding to 1553132000 its reverse (2313551), we get a palindrome (1555445551).

The spelling of 1553132000 in words is "one billion, five hundred fifty-three million, one hundred thirty-two thousand".