553045500 has 288 divisors, whose sum is σ = 2025598848. Its totient is φ = 124416000.

The previous prime is 553045481. The next prime is 553045501. The reversal of 553045500 is 5540355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553045501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3055410 + ... + 3055590.

Almost surely, 2^553045500 is an apocalyptic number.

553045500 is a gapful number since it is divisible by the number (50) 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 553045500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012799424).

553045500 is an abundant number, since it is smaller than the sum of its proper divisors (1472553348).

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

553045500 is a wasteful number, since it uses less digits than its factorization.

553045500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 553045500 is about 23516.9194411173. The cubic root of 553045500 is about 820.8307563170.

Adding to 553045500 its reverse (5540355), we get a palindrome (558585855).

The spelling of 553045500 in words is "five hundred fifty-three million, forty-five thousand, five hundred".