55634465642663 has 8 divisors (see below), whose sum is σ = 60938359933680. Its totient is φ = 50556268981120.

The previous prime is 55634465642659. The next prime is 55634465642677. The reversal of 55634465642663 is 36624656443655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55634465642663 - 2² = 55634465642659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55634465642663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55634465642563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56424406853 + ... + 56424407838.

It is an arithmetic number, because the mean of its divisors is an integer number (7617294991710).

Almost surely, 2^{55634465642663} is an apocalyptic number.

55634465642663 is a deficient number, since it is larger than the sum of its proper divisors (5303894291017).

55634465642663 is a wasteful number, since it uses less digits than its factorization.

55634465642663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112848814737.

The product of its digits is 1119744000, while the sum is 65.

The spelling of 55634465642663 in words is "fifty-five trillion, six hundred thirty-four billion, four hundred sixty-five million, six hundred forty-two thousand, six hundred sixty-three".