55818235752270 has 64 divisors (see below), whose sum is σ = 134129207306304. Its totient is φ = 14866491161600.

The previous prime is 55818235752247. The next prime is 55818235752283. The reversal of 55818235752270 is 7225753281855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83699464 + ... + 84363716.

It is an arithmetic number, because the mean of its divisors is an integer number (2095768864161).

Almost surely, 2^{55818235752270} is an apocalyptic number.

55818235752270 is an abundant number, since it is smaller than the sum of its proper divisors (78310971554034).

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

55818235752270 is a wasteful number, since it uses less digits than its factorization.

55818235752270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667717.

The product of its (nonzero) digits is 47040000, while the sum is 60.

The spelling of 55818235752270 in words is "fifty-five trillion, eight hundred eighteen billion, two hundred thirty-five million, seven hundred fifty-two thousand, two hundred seventy".