55767733404620 has 24 divisors (see below), whose sum is σ = 118034383778304. Its totient is φ = 22131446956416.

The previous prime is 55767733404613. The next prime is 55767733404671. The reversal of 55767733404620 is 2640433776755.

It is a super-2 number, since 2×55767733404620² (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 55767733404620.

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, 10977897737 + ... + 10977902816.

It is an arithmetic number, because the mean of its divisors is an integer number (4918099324096).

Almost surely, 2^{55767733404620} is an apocalyptic number.

It is an amenable number.

55767733404620 is an abundant number, since it is smaller than the sum of its proper divisors (62266650373684).

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

55767733404620 is a wasteful number, since it uses less digits than its factorization.

55767733404620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21955800689 (or 21955800687 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 59.

The spelling of 55767733404620 in words is "fifty-five trillion, seven hundred sixty-seven billion, seven hundred thirty-three million, four hundred four thousand, six hundred twenty".