55846138465 has 16 divisors (see below), whose sum is σ = 72176403600. Its totient is φ = 41236791552.

The previous prime is 55846138459. The next prime is 55846138489. The reversal of 55846138465 is 56483164855.

It can be written as a sum of positive squares in 8 ways, for example, as 203461696 + 55642676769 = 14264^2 + 235887^2 .

It is a cyclic number.

It is not a de Polignac number, because 55846138465 - 2⁵ = 55846138433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964351 + ... + 1020619.

It is an arithmetic number, because the mean of its divisors is an integer number (4511025225).

Almost surely, 2^55846138465 is an apocalyptic number.

It is an amenable number.

55846138465 is a deficient number, since it is larger than the sum of its proper divisors (16330265135).

55846138465 is a wasteful number, since it uses less digits than its factorization.

55846138465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71556.

The product of its digits is 13824000, while the sum is 55.

The spelling of 55846138465 in words is "fifty-five billion, eight hundred forty-six million, one hundred thirty-eight thousand, four hundred sixty-five".