55763965945 has 16 divisors (see below), whose sum is σ = 67634481600. Its totient is φ = 44135080000.

The previous prime is 55763965937. The next prime is 55763965969. The reversal of 55763965945 is 54956936755.

It is not a de Polignac number, because 55763965945 - 2³ = 55763965937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37890 + ... + 336100.

It is an arithmetic number, because the mean of its divisors is an integer number (4227155100).

Almost surely, 2^55763965945 is an apocalyptic number.

It is an amenable number.

55763965945 is a deficient number, since it is larger than the sum of its proper divisors (11870515655).

55763965945 is a wasteful number, since it uses less digits than its factorization.

55763965945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298616.

The product of its digits is 153090000, while the sum is 64.

The spelling of 55763965945 in words is "fifty-five billion, seven hundred sixty-three million, nine hundred sixty-five thousand, nine hundred forty-five".