55364673663 has 64 divisors (see below), whose sum is σ = 89555880960. Its totient is φ = 33599664000.

The previous prime is 55364673601. The next prime is 55364673673. The reversal of 55364673663 is 36637646355.

55364673663 is a `hidden beast` number, since 5 + 536 + 46 + 7 + 3 + 6 + 63 = 666.

It is not a de Polignac number, because 55364673663 - 2²⁴ = 55347896447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55364673673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20420878 + ... + 20423588.

It is an arithmetic number, because the mean of its divisors is an integer number (1399310640).

Almost surely, 2^55364673663 is an apocalyptic number.

55364673663 is a deficient number, since it is larger than the sum of its proper divisors (34191207297).

55364673663 is a wasteful number, since it uses less digits than its factorization.

55364673663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3511 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 54.

The spelling of 55364673663 in words is "fifty-five billion, three hundred sixty-four million, six hundred seventy-three thousand, six hundred sixty-three".