55502539291791 has 6 divisors (see below), whose sum is σ = 80170334532600. Its totient is φ = 37001692861188.

The previous prime is 55502539291789. The next prime is 55502539291817. The reversal of 55502539291791 is 19719293520555.

55502539291791 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 2 + 539 + 2 + 9 + 1 + 7 + 91 = 666.

It is not a de Polignac number, because 55502539291791 - 2¹ = 55502539291789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55502539291751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083474405091 + ... + 3083474405108.

It is an arithmetic number, because the mean of its divisors is an integer number (13361722422100).

Almost surely, 2^{55502539291791} is an apocalyptic number.

55502539291791 is a deficient number, since it is larger than the sum of its proper divisors (24667795240809).

55502539291791 is a wasteful number, since it uses less digits than its factorization.

55502539291791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166948810205 (or 6166948810202 counting only the distinct ones).

The product of its (nonzero) digits is 38272500, while the sum is 63.

The spelling of 55502539291791 in words is "fifty-five trillion, five hundred two billion, five hundred thirty-nine million, two hundred ninety-one thousand, seven hundred ninety-one".