55745270865 has 24 divisors (see below), whose sum is σ = 96655111488. Its totient is φ = 29721588000.

The previous prime is 55745270863. The next prime is 55745270869. The reversal of 55745270865 is 56807254755.

55745270865 is a `hidden beast` number, since 5 + 57 + 4 + 527 + 0 + 8 + 65 = 666.

It is not a de Polignac number, because 55745270865 - 2¹ = 55745270863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55745270863) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 44229 + ... + 336818.

It is an arithmetic number, because the mean of its divisors is an integer number (4027296312).

Almost surely, 2^55745270865 is an apocalyptic number.

It is an amenable number.

55745270865 is a deficient number, since it is larger than the sum of its proper divisors (40909840623).

55745270865 is a wasteful number, since it uses less digits than its factorization.

55745270865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384309 (or 384306 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 55745270865 in words is "fifty-five billion, seven hundred forty-five million, two hundred seventy thousand, eight hundred sixty-five".