553116750981 has 16 divisors (see below), whose sum is σ = 749802182208. Its totient is φ = 362591510400.

The previous prime is 553116750961. The next prime is 553116750997. The reversal of 553116750981 is 189057611355.

It is not a de Polignac number, because 553116750981 - 2³³ = 544526816389 is a prime.

It is a super-2 number, since 2×553116750981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553116750911) 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, 168585 + ... + 1065201.

It is an arithmetic number, because the mean of its divisors is an integer number (46862636388).

Almost surely, 2^553116750981 is an apocalyptic number.

It is an amenable number.

553116750981 is a deficient number, since it is larger than the sum of its proper divisors (196685431227).

553116750981 is a wasteful number, since it uses less digits than its factorization.

553116750981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900052.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 553116750981 in words is "five hundred fifty-three billion, one hundred sixteen million, seven hundred fifty thousand, nine hundred eighty-one".