1553113500 has 48 divisors (see below), whose sum is σ = 4522670880. Its totient is φ = 414163200.

The previous prime is 1553113493. The next prime is 1553113511. The reversal of 1553113500 is 53113551.

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, 516205 + ... + 519204.

It is an arithmetic number, because the mean of its divisors is an integer number (94222310).

Almost surely, 2^1553113500 is an apocalyptic number.

1553113500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553113500 is an abundant number, since it is smaller than the sum of its proper divisors (2969557380).

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

1553113500 is a wasteful number, since it uses less digits than its factorization.

1553113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035431 (or 1035419 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 1553113500 is about 39409.5610226757. The cubic root of 1553113500 is about 1158.0688985706.

The spelling of 1553113500 in words is "one billion, five hundred fifty-three million, one hundred thirteen thousand, five hundred".