55953063889 has 2 divisors, whose sum is σ = 55953063890. Its totient is φ = 55953063888.

The previous prime is 55953063877. The next prime is 55953063949. The reversal of 55953063889 is 98836035955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53099367489 + 2853696400 = 230433^2 + 53420^2 .

It is a cyclic number.

It is not a de Polignac number, because 55953063889 - 2⁵ = 55953063857 is a prime.

It is not a weakly prime, because it can be changed into another prime (55953063289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27976531944 + 27976531945.

It is an arithmetic number, because the mean of its divisors is an integer number (27976531945).

Almost surely, 2^55953063889 is an apocalyptic number.

It is an amenable number.

55953063889 is a deficient number, since it is larger than the sum of its proper divisors (1).

55953063889 is an equidigital number, since it uses as much as digits as its factorization.

55953063889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 55953063889 in words is "fifty-five billion, nine hundred fifty-three million, sixty-three thousand, eight hundred eighty-nine".