55386963860 has 24 divisors (see below), whose sum is σ = 116421474120. Its totient is φ = 22134052224.

The previous prime is 55386963851. The next prime is 55386963887. The reversal of 55386963860 is 6836968355.

It can be written as a sum of positive squares in 4 ways, for example, as 23697424 + 55363266436 = 4868^2 + 235294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55386963860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273919 + ... + 1316678.

It is an arithmetic number, because the mean of its divisors is an integer number (4850894755).

Almost surely, 2^55386963860 is an apocalyptic number.

It is an amenable number.

55386963860 is an abundant number, since it is smaller than the sum of its proper divisors (61034510260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55386963860 is a wasteful number, since it uses less digits than its factorization.

55386963860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591675 (or 2591673 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 55386963860 in words is "fifty-five billion, three hundred eighty-six million, nine hundred sixty-three thousand, eight hundred sixty".