90882790553 has 2 divisors, whose sum is σ = 90882790554. Its totient is φ = 90882790552.

The previous prime is 90882790543. The next prime is 90882790561. The reversal of 90882790553 is 35509728809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63813327769 + 27069462784 = 252613^2 + 164528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90882790553 is a prime.

It is not a weakly prime, because it can be changed into another prime (90882790543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45441395276 + 45441395277.

It is an arithmetic number, because the mean of its divisors is an integer number (45441395277).

Almost surely, 2^90882790553 is an apocalyptic number.

It is an amenable number.

90882790553 is a deficient number, since it is larger than the sum of its proper divisors (1).

90882790553 is an equidigital number, since it uses as much as digits as its factorization.

90882790553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 90882790553 in words is "ninety billion, eight hundred eighty-two million, seven hundred ninety thousand, five hundred fifty-three".