55686736474643 has 32 divisors (see below), whose sum is σ = 57232790784000. Its totient is φ = 54160620748416.

The previous prime is 55686736474613. The next prime is 55686736474673. The reversal of 55686736474643 is 34647463768655.

It is an interprime number because it is at equal distance from previous prime (55686736474613) and next prime (55686736474673).

It is a cyclic number.

It is not a de Polignac number, because 55686736474643 - 2¹⁴ = 55686736458259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55686736474613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10090002038 + ... + 10090007556.

It is an arithmetic number, because the mean of its divisors is an integer number (1788524712000).

Almost surely, 2^{55686736474643} is an apocalyptic number.

55686736474643 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55686736474643 is a deficient number, since it is larger than the sum of its proper divisors (1546054309357).

55686736474643 is a wasteful number, since it uses less digits than its factorization.

55686736474643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051.

The product of its digits is 7315660800, while the sum is 74.

The spelling of 55686736474643 in words is "fifty-five trillion, six hundred eighty-six billion, seven hundred thirty-six million, four hundred seventy-four thousand, six hundred forty-three".