55501717020 has 48 divisors (see below), whose sum is σ = 157371970560. Its totient is φ = 14613109056.

The previous prime is 55501716973. The next prime is 55501717031. The reversal of 55501717020 is 2071710555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5849872 + ... + 5859351.

It is an arithmetic number, because the mean of its divisors is an integer number (3278582720).

Almost surely, 2^55501717020 is an apocalyptic number.

It is an amenable number.

55501717020 is an abundant number, since it is smaller than the sum of its proper divisors (101870253540).

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

55501717020 is a wasteful number, since it uses less digits than its factorization.

55501717020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11709314 (or 11709312 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 33.

The spelling of 55501717020 in words is "fifty-five billion, five hundred one million, seven hundred seventeen thousand, twenty".