55997970873 has 8 divisors (see below), whose sum is σ = 80407342848. Its totient is φ = 34460289744.

The previous prime is 55997970869. The next prime is 55997970923. The reversal of 55997970873 is 37807979955.

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

It is not a de Polignac number, because 55997970873 - 2² = 55997970869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55997970798 and 55997970807.

It is not an unprimeable number, because it can be changed into a prime (55997970373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717922665 + ... + 717922742.

It is an arithmetic number, because the mean of its divisors is an integer number (10050917856).

Almost surely, 2^55997970873 is an apocalyptic number.

It is an amenable number.

55997970873 is a deficient number, since it is larger than the sum of its proper divisors (24409371975).

55997970873 is a wasteful number, since it uses less digits than its factorization.

55997970873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435845423.

The product of its (nonzero) digits is 150028200, while the sum is 69.

The spelling of 55997970873 in words is "fifty-five billion, nine hundred ninety-seven million, nine hundred seventy thousand, eight hundred seventy-three".