553097881 has 16 divisors (see below), whose sum is σ = 649175040. Its totient is φ = 461457360.

The previous prime is 553097879. The next prime is 553097893. The reversal of 553097881 is 188790355.

It is not a de Polignac number, because 553097881 - 2¹ = 553097879 is a prime.

It is a super-2 number, since 2×553097881² = 611834531933380322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553097681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32220 + ... + 46306.

It is an arithmetic number, because the mean of its divisors is an integer number (40573440).

Almost surely, 2^553097881 is an apocalyptic number.

It is an amenable number.

553097881 is a deficient number, since it is larger than the sum of its proper divisors (96077159).

553097881 is a wasteful number, since it uses less digits than its factorization.

553097881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 553097881 is about 23518.0331022813. The cubic root of 553097881 is about 820.8566701454.

It can be divided in two parts, 55309 and 7881, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 553097881 in words is "five hundred fifty-three million, ninety-seven thousand, eight hundred eighty-one".