55705087020630 has 32 divisors (see below), whose sum is σ = 133692472802304. Its totient is φ = 14854660544096.

The previous prime is 55705087020581. The next prime is 55705087020647. The reversal of 55705087020630 is 3602078050755.

It is a self number, because there is not a number n which added to its sum of digits gives 55705087020630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16680709 + ... + 19739711.

It is an arithmetic number, because the mean of its divisors is an integer number (4177889775072).

Almost surely, 2^{55705087020630} is an apocalyptic number.

55705087020630 is an abundant number, since it is smaller than the sum of its proper divisors (77987385781674).

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

55705087020630 is a wasteful number, since it uses less digits than its factorization.

55705087020630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666020.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 55705087020630 in words is "fifty-five trillion, seven hundred five billion, eighty-seven million, twenty thousand, six hundred thirty".