55547718662620 has 24 divisors (see below), whose sum is σ = 116653926549888. Its totient is φ = 22218379396800.

The previous prime is 55547718662573. The next prime is 55547718662671. The reversal of 55547718662620 is 2626681774555.

55547718662620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43610751 + ... + 44866390.

It is an arithmetic number, because the mean of its divisors is an integer number (4860580272912).

Almost surely, 2^{55547718662620} is an apocalyptic number.

It is an amenable number.

55547718662620 is an abundant number, since it is smaller than the sum of its proper divisors (61106207887268).

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

55547718662620 is a wasteful number, since it uses less digits than its factorization.

55547718662620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88508541 (or 88508539 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 55547718662620 in words is "fifty-five trillion, five hundred forty-seven billion, seven hundred eighteen million, six hundred sixty-two thousand, six hundred twenty".