55571122726770 has 32 divisors (see below), whose sum is σ = 152423650908288. Its totient is φ = 12701970908928.

The previous prime is 55571122726741. The next prime is 55571122726831. The reversal of 55571122726770 is 7762722117555.

It is a super-2 number, since 2×55571122726770² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55571122726770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132312196759 + ... + 132312197178.

It is an arithmetic number, because the mean of its divisors is an integer number (4763239090884).

Almost surely, 2^{55571122726770} is an apocalyptic number.

55571122726770 is an abundant number, since it is smaller than the sum of its proper divisors (96852528181518).

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

55571122726770 is a wasteful number, since it uses less digits than its factorization.

55571122726770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264624393954.

The product of its (nonzero) digits is 14406000, while the sum is 57.

The spelling of 55571122726770 in words is "fifty-five trillion, five hundred seventy-one billion, one hundred twenty-two million, seven hundred twenty-six thousand, seven hundred seventy".