55500439786 has 32 divisors (see below), whose sum is σ = 93096926208. Its totient is φ = 24596784240.

The previous prime is 55500439759. The next prime is 55500439789. The reversal of 55500439786 is 68793400555.

It is not an unprimeable number, because it can be changed into a prime (55500439789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480495 + ... + 584701.

It is an arithmetic number, because the mean of its divisors is an integer number (2909278944).

Almost surely, 2^55500439786 is an apocalyptic number.

55500439786 is a deficient number, since it is larger than the sum of its proper divisors (37596486422).

55500439786 is a wasteful number, since it uses less digits than its factorization.

55500439786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104826.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 55500439786 in words is "fifty-five billion, five hundred million, four hundred thirty-nine thousand, seven hundred eighty-six".