55636668537 has 8 divisors (see below), whose sum is σ = 74329706304. Its totient is φ = 37017371568.

The previous prime is 55636668517. The next prime is 55636668599. The reversal of 55636668537 is 73586663655.

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

It is not a de Polignac number, because 55636668537 - 2¹⁴ = 55636652153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55636668517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18433438 + ... + 18436455.

It is an arithmetic number, because the mean of its divisors is an integer number (9291213288).

Almost surely, 2^55636668537 is an apocalyptic number.

It is an amenable number.

55636668537 is a deficient number, since it is larger than the sum of its proper divisors (18693037767).

55636668537 is a wasteful number, since it uses less digits than its factorization.

55636668537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36870399.

The product of its digits is 81648000, while the sum is 60.

The spelling of 55636668537 in words is "fifty-five billion, six hundred thirty-six million, six hundred sixty-eight thousand, five hundred thirty-seven".