553354555477 has 2 divisors, whose sum is σ = 553354555478. Its totient is φ = 553354555476.

The previous prime is 553354555471. The next prime is 553354555519. The reversal of 553354555477 is 774555453355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521458738641 + 31895816836 = 722121^2 + 178594^2 .

It is a cyclic number.

It is not a de Polignac number, because 553354555477 - 2³⁵ = 518994817109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553354555471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276677277738 + 276677277739.

It is an arithmetic number, because the mean of its divisors is an integer number (276677277739).

Almost surely, 2^553354555477 is an apocalyptic number.

It is an amenable number.

553354555477 is a deficient number, since it is larger than the sum of its proper divisors (1).

553354555477 is an equidigital number, since it uses as much as digits as its factorization.

553354555477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110250000, while the sum is 58.

The spelling of 553354555477 in words is "five hundred fifty-three billion, three hundred fifty-four million, five hundred fifty-five thousand, four hundred seventy-seven".