55321038755776 has 28 divisors (see below), whose sum is σ = 109777975074040. Its totient is φ = 27660446611200.

The previous prime is 55321038755713. The next prime is 55321038755867. The reversal of 55321038755776 is 67755783012355.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29984851 + ... + 31776301.

It is an arithmetic number, because the mean of its divisors is an integer number (3920641966930).

Almost surely, 2^{55321038755776} is an apocalyptic number.

It is an amenable number.

55321038755776 is a deficient number, since it is larger than the sum of its proper divisors (54456936318264).

55321038755776 is a wasteful number, since it uses less digits than its factorization.

55321038755776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273972 (or 2273962 counting only the distinct ones).

The product of its (nonzero) digits is 185220000, while the sum is 64.

The spelling of 55321038755776 in words is "fifty-five trillion, three hundred twenty-one billion, thirty-eight million, seven hundred fifty-five thousand, seven hundred seventy-six".