555505505537 has 2 divisors, whose sum is σ = 555505505538. Its totient is φ = 555505505536.

The previous prime is 555505505479. The next prime is 555505505551. The reversal of 555505505537 is 735505505555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340126905616 + 215378599921 = 583204^2 + 464089^2 .

It is a cyclic number.

It is not a de Polignac number, because 555505505537 - 2²⁶ = 555438396673 is a prime.

It is not a weakly prime, because it can be changed into another prime (555505505557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277752752768 + 277752752769.

It is an arithmetic number, because the mean of its divisors is an integer number (277752752769).

Almost surely, 2^555505505537 is an apocalyptic number.

It is an amenable number.

555505505537 is a deficient number, since it is larger than the sum of its proper divisors (1).

555505505537 is an equidigital number, since it uses as much as digits as its factorization.

555505505537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8203125, while the sum is 50.

The spelling of 555505505537 in words is "five hundred fifty-five billion, five hundred five million, five hundred five thousand, five hundred thirty-seven".