55723354187 has 8 divisors (see below), whose sum is σ = 56492064720. Its totient is φ = 54954789120.

The previous prime is 55723354129. The next prime is 55723354189. The reversal of 55723354187 is 78145332755.

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

It is a cyclic number.

It is not a de Polignac number, because 55723354187 - 2⁶ = 55723354123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55723354189) 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, 899987 + ... + 959907.

It is an arithmetic number, because the mean of its divisors is an integer number (7061508090).

Almost surely, 2^55723354187 is an apocalyptic number.

55723354187 is a deficient number, since it is larger than the sum of its proper divisors (768710533).

55723354187 is a wasteful number, since it uses less digits than its factorization.

55723354187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72733.

The product of its digits is 3528000, while the sum is 50.

The spelling of 55723354187 in words is "fifty-five billion, seven hundred twenty-three million, three hundred fifty-four thousand, one hundred eighty-seven".