55763778413644 has 36 divisors (see below), whose sum is σ = 113690859063600. Its totient is φ = 23862606657120.

The previous prime is 55763778413573. The next prime is 55763778413683. The reversal of 55763778413644 is 44631487736755.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 215081544 + ... + 215340655.

Almost surely, 2^{55763778413644} is an apocalyptic number.

It is an amenable number.

55763778413644 is an abundant number, since it is smaller than the sum of its proper divisors (57927080649956).

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

55763778413644 is a wasteful number, since it uses less digits than its factorization.

55763778413644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430422878 (or 430422869 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 70.

The spelling of 55763778413644 in words is "fifty-five trillion, seven hundred sixty-three billion, seven hundred seventy-eight million, four hundred thirteen thousand, six hundred forty-four".