553891790268 has 36 divisors (see below), whose sum is σ = 1404081723408. Its totient is φ = 184107559680.

The previous prime is 553891790191. The next prime is 553891790279. The reversal of 553891790268 is 862097198355.

553891790268 is a `hidden beast` number, since 5 + 538 + 9 + 1 + 7 + 90 + 2 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×553891790268² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21780328 + ... + 21805743.

Almost surely, 2^553891790268 is an apocalyptic number.

It is an amenable number.

553891790268 is an abundant number, since it is smaller than the sum of its proper divisors (850189933140).

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

553891790268 is a wasteful number, since it uses less digits than its factorization.

553891790268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43586434 (or 43586429 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 553891790268 in words is "five hundred fifty-three billion, eight hundred ninety-one million, seven hundred ninety thousand, two hundred sixty-eight".