55630658961 has 12 divisors (see below), whose sum is σ = 84584627920. Its totient is φ = 35135152920.

The previous prime is 55630658957. The next prime is 55630658983. The reversal of 55630658961 is 16985603655.

It is a happy number.

55630658961 is a `hidden beast` number, since 5 + 56 + 3 + 0 + 6 + 589 + 6 + 1 = 666.

It is not a de Polignac number, because 55630658961 - 2² = 55630658957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55630658898 and 55630658907.

It is not an unprimeable number, because it can be changed into a prime (55630658261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162662575 + ... + 162662916.

Almost surely, 2^55630658961 is an apocalyptic number.

It is an amenable number.

55630658961 is a deficient number, since it is larger than the sum of its proper divisors (28953968959).

55630658961 is a wasteful number, since it uses less digits than its factorization.

55630658961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325325516 (or 325325513 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 55630658961 in words is "fifty-five billion, six hundred thirty million, six hundred fifty-eight thousand, nine hundred sixty-one".