55753431563 has 2 divisors, whose sum is σ = 55753431564. Its totient is φ = 55753431562.

The previous prime is 55753431499. The next prime is 55753431577. The reversal of 55753431563 is 36513435755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55753431563 - 2⁶ = 55753431499 is a prime.

It is not a weakly prime, because it can be changed into another prime (55753431593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27876715781 + 27876715782.

It is an arithmetic number, because the mean of its divisors is an integer number (27876715782).

Almost surely, 2^55753431563 is an apocalyptic number.

55753431563 is a deficient number, since it is larger than the sum of its proper divisors (1).

55753431563 is an equidigital number, since it uses as much as digits as its factorization.

55753431563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835000, while the sum is 47.

The spelling of 55753431563 in words is "fifty-five billion, seven hundred fifty-three million, four hundred thirty-one thousand, five hundred sixty-three".