55218255702 has 8 divisors (see below), whose sum is σ = 110436511416. Its totient is φ = 18406085232.

The previous prime is 55218255661. The next prime is 55218255739. The reversal of 55218255702 is 20755281255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

55218255702 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4601521303 + ... + 4601521314.

It is an arithmetic number, because the mean of its divisors is an integer number (13804563927).

Almost surely, 2^55218255702 is an apocalyptic number.

55218255702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55218255702 is a wasteful number, since it uses less digits than its factorization.

55218255702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203042622.

The product of its (nonzero) digits is 280000, while the sum is 42.

The spelling of 55218255702 in words is "fifty-five billion, two hundred eighteen million, two hundred fifty-five thousand, seven hundred two".