55331895884633 has 2 divisors, whose sum is σ = 55331895884634. Its totient is φ = 55331895884632.

The previous prime is 55331895884539. The next prime is 55331895884753. The reversal of 55331895884633 is 33648859813355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51870647728384 + 3461248156249 = 7202128^2 + 1860443^2 .

It is a cyclic number.

It is not a de Polignac number, because 55331895884633 - 2²⁸ = 55331627449177 is a prime.

It is not a weakly prime, because it can be changed into another prime (55331895814633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27665947942316 + 27665947942317.

It is an arithmetic number, because the mean of its divisors is an integer number (27665947942317).

Almost surely, 2^{55331895884633} is an apocalyptic number.

It is an amenable number.

55331895884633 is a deficient number, since it is larger than the sum of its proper divisors (1).

55331895884633 is an equidigital number, since it uses as much as digits as its factorization.

55331895884633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744000, while the sum is 71.

The spelling of 55331895884633 in words is "fifty-five trillion, three hundred thirty-one billion, eight hundred ninety-five million, eight hundred eighty-four thousand, six hundred thirty-three".