553123720 has 16 divisors (see below), whose sum is σ = 1244528460. Its totient is φ = 221249472.

The previous prime is 553123691. The next prime is 553123723. The reversal of 553123720 is 27321355.

It can be written as a sum of positive squares in 2 ways, for example, as 523768996 + 29354724 = 22886^2 + 5418^2 .

It is not an unprimeable number, because it can be changed into a prime (553123723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6914007 + ... + 6914086.

Almost surely, 2^553123720 is an apocalyptic number.

It is an amenable number.

553123720 is an abundant number, since it is smaller than the sum of its proper divisors (691404740).

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

553123720 is a wasteful number, since it uses less digits than its factorization.

553123720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828104 (or 13828100 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 553123720 is about 23518.5824402748. The cubic root of 553123720 is about 820.8694525636.

The spelling of 553123720 in words is "five hundred fifty-three million, one hundred twenty-three thousand, seven hundred twenty".