55446765657 has 16 divisors (see below), whose sum is σ = 74071008000. Its totient is φ = 36893574144.

The previous prime is 55446765623. The next prime is 55446765719. The reversal of 55446765657 is 75656764455.

It is a happy number.

It is not a de Polignac number, because 55446765657 - 2⁸ = 55446765401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55446765657.

It is not an unprimeable number, because it can be changed into a prime (55446760657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4888569 + ... + 4899897.

It is an arithmetic number, because the mean of its divisors is an integer number (4629438000).

Almost surely, 2^55446765657 is an apocalyptic number.

It is an amenable number.

55446765657 is a deficient number, since it is larger than the sum of its proper divisors (18624242343).

55446765657 is a wasteful number, since it uses less digits than its factorization.

55446765657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320.

The product of its digits is 105840000, while the sum is 60.

The spelling of 55446765657 in words is "fifty-five billion, four hundred forty-six million, seven hundred sixty-five thousand, six hundred fifty-seven".