55020677774964 has 24 divisors (see below), whose sum is σ = 140052634336608. Its totient is φ = 16672932659040.

The previous prime is 55020677774927. The next prime is 55020677775013. The reversal of 55020677774964 is 46947777602055.

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, 208411658107 + ... + 208411658370.

It is an arithmetic number, because the mean of its divisors is an integer number (5835526430692).

Almost surely, 2^{55020677774964} is an apocalyptic number.

It is an amenable number.

55020677774964 is an abundant number, since it is smaller than the sum of its proper divisors (85031956561644).

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

55020677774964 is a wasteful number, since it uses less digits than its factorization.

55020677774964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416823316495 (or 416823316493 counting only the distinct ones).

The product of its (nonzero) digits is 622339200, while the sum is 69.

The spelling of 55020677774964 in words is "fifty-five trillion, twenty billion, six hundred seventy-seven million, seven hundred seventy-four thousand, nine hundred sixty-four".