55918025727 has 8 divisors (see below), whose sum is σ = 78943095216. Its totient is φ = 35085820032.

The previous prime is 55918025663. The next prime is 55918025743. The reversal of 55918025727 is 72752081955.

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

It is not a de Polignac number, because 55918025727 - 2⁶ = 55918025663 is a prime.

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: 1096431877 = 55918025727 / (5 + 5 + 9 + 1 + 8 + 0 + 2 + 5 + 7 + 2 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 55918025727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55918025327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548215888 + ... + 548215989.

It is an arithmetic number, because the mean of its divisors is an integer number (9867886902).

Almost surely, 2^55918025727 is an apocalyptic number.

55918025727 is a deficient number, since it is larger than the sum of its proper divisors (23025069489).

55918025727 is a wasteful number, since it uses less digits than its factorization.

55918025727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096431897.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 55918025727 in words is "fifty-five billion, nine hundred eighteen million, twenty-five thousand, seven hundred twenty-seven".