553660500 has 96 divisors (see below), whose sum is σ = 1623218688. Its totient is φ = 146640000.

The previous prime is 553660453. The next prime is 553660501. The reversal of 553660500 is 5066355.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553660501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234325 + ... + 236675.

It is an arithmetic number, because the mean of its divisors is an integer number (16908528).

Almost surely, 2^553660500 is an apocalyptic number.

553660500 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 553660500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811609344).

553660500 is an abundant number, since it is smaller than the sum of its proper divisors (1069558188).

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

553660500 is a wasteful number, since it uses less digits than its factorization.

553660500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 553660500 is about 23529.9915002110. The cubic root of 553660500 is about 821.1349048365.

The spelling of 553660500 in words is "five hundred fifty-three million, six hundred sixty thousand, five hundred".