55558772820096 has 128 divisors (see below), whose sum is σ = 181634449718400. Its totient is φ = 14652863152128.

The previous prime is 55558772820073. The next prime is 55558772820097. The reversal of 55558772820096 is 69002827785555.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 55558772820096.

It is not an unprimeable number, because it can be changed into a prime (55558772820097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794933761 + ... + 795003648.

It is an arithmetic number, because the mean of its divisors is an integer number (1419019138425).

Almost surely, 2^{55558772820096} is an apocalyptic number.

55558772820096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55558772820096 is an abundant number, since it is smaller than the sum of its proper divisors (126075676898304).

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

55558772820096 is a wasteful number, since it uses less digits than its factorization.

55558772820096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589937446 (or 1589937434 counting only the distinct ones).

The product of its (nonzero) digits is 423360000, while the sum is 69.

The spelling of 55558772820096 in words is "fifty-five trillion, five hundred fifty-eight billion, seven hundred seventy-two million, eight hundred twenty thousand, ninety-six".