553253531 has 4 divisors (see below), whose sum is σ = 553357152. Its totient is φ = 553149912.

The previous prime is 553253521. The next prime is 553253557. The reversal of 553253531 is 135352355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553253531 is a prime.

It is a super-2 number, since 2×553253531² = 612178939127935922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553253521) 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, 43340 + ... + 54633.

It is an arithmetic number, because the mean of its divisors is an integer number (138339288).

Almost surely, 2^553253531 is an apocalyptic number.

553253531 is a deficient number, since it is larger than the sum of its proper divisors (103621).

553253531 is an equidigital number, since it uses as much as digits as its factorization.

553253531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103620.

The product of its digits is 33750, while the sum is 32.

The square root of 553253531 is about 23521.3420322906. The cubic root of 553253531 is about 820.9336633636.

The spelling of 553253531 in words is "five hundred fifty-three million, two hundred fifty-three thousand, five hundred thirty-one".