55120997702 has 8 divisors (see below), whose sum is σ = 82685075616. Its totient is φ = 27559305832.

The previous prime is 55120997699. The next prime is 55120997779. The reversal of 55120997702 is 20779902155.

It is a happy number.

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

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, 537593 + ... + 631860.

It is an arithmetic number, because the mean of its divisors is an integer number (10335634452).

Almost surely, 2^55120997702 is an apocalyptic number.

55120997702 is a deficient number, since it is larger than the sum of its proper divisors (27564077914).

55120997702 is a wasteful number, since it uses less digits than its factorization.

55120997702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193022.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 55120997702 in words is "fifty-five billion, one hundred twenty million, nine hundred ninety-seven thousand, seven hundred two".