55755707986 has 16 divisors (see below), whose sum is σ = 91817743680. Its totient is φ = 25182078480.

The previous prime is 55755707957. The next prime is 55755707989. The reversal of 55755707986 is 68970755755.

It is not an unprimeable number, because it can be changed into a prime (55755707989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8067726 + ... + 8074633.

It is an arithmetic number, because the mean of its divisors is an integer number (5738608980).

Almost surely, 2^55755707986 is an apocalyptic number.

55755707986 is a deficient number, since it is larger than the sum of its proper divisors (36062035694).

55755707986 is a wasteful number, since it uses less digits than its factorization.

55755707986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142529.

The product of its (nonzero) digits is 92610000, while the sum is 64.

The spelling of 55755707986 in words is "fifty-five billion, seven hundred fifty-five million, seven hundred seven thousand, nine hundred eighty-six".