55155297180792 has 64 divisors (see below), whose sum is σ = 138663733852800. Its totient is φ = 18281707928960.

The previous prime is 55155297180751. The next prime is 55155297180839. The reversal of 55155297180792 is 29708179255155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122413042 + ... + 122862782.

It is an arithmetic number, because the mean of its divisors is an integer number (2166620841450).

Almost surely, 2^{55155297180792} is an apocalyptic number.

It is an amenable number.

55155297180792 is an abundant number, since it is smaller than the sum of its proper divisors (83508436672008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55155297180792 is a wasteful number, since it uses less digits than its factorization.

55155297180792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478476 (or 478472 counting only the distinct ones).

The product of its (nonzero) digits is 79380000, while the sum is 66.

The spelling of 55155297180792 in words is "fifty-five trillion, one hundred fifty-five billion, two hundred ninety-seven million, one hundred eighty thousand, seven hundred ninety-two".