55500373977 has 8 divisors (see below), whose sum is σ = 78353469216. Its totient is φ = 34823764032.

The previous prime is 55500373949. The next prime is 55500373993. The reversal of 55500373977 is 77937300555.

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

It is not a de Polignac number, because 55500373977 - 2¹⁵ = 55500341209 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1088242627 = 55500373977 / (5 + 5 + 5 + 0 + 0 + 3 + 7 + 3 + 9 + 7 + 7).

It is not an unprimeable number, because it can be changed into a prime (55500373477) 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, 544121263 + ... + 544121364.

It is an arithmetic number, because the mean of its divisors is an integer number (9794183652).

Almost surely, 2^55500373977 is an apocalyptic number.

It is an amenable number.

55500373977 is a deficient number, since it is larger than the sum of its proper divisors (22853095239).

55500373977 is a wasteful number, since it uses less digits than its factorization.

55500373977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088242647.

The product of its (nonzero) digits is 3472875, while the sum is 51.

The spelling of 55500373977 in words is "fifty-five billion, five hundred million, three hundred seventy-three thousand, nine hundred seventy-seven".