55636419386 has 32 divisors (see below), whose sum is σ = 88332000768. Its totient is φ = 26244429120.

The previous prime is 55636419361. The next prime is 55636419413. The reversal of 55636419386 is 68391463655.

It is a happy number.

It is a super-2 number, since 2×55636419386² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 461981 + ... + 569823.

It is an arithmetic number, because the mean of its divisors is an integer number (2760375024).

Almost surely, 2^55636419386 is an apocalyptic number.

55636419386 is a deficient number, since it is larger than the sum of its proper divisors (32695581382).

55636419386 is a wasteful number, since it uses less digits than its factorization.

55636419386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108086.

The product of its digits is 13996800, while the sum is 56.

The spelling of 55636419386 in words is "fifty-five billion, six hundred thirty-six million, four hundred nineteen thousand, three hundred eighty-six".