55677764064736 has 96 divisors (see below), whose sum is σ = 124523359188480. Its totient is φ = 24273557952000.

The previous prime is 55677764064719. The next prime is 55677764064763. The reversal of 55677764064736 is 63746046777655.

It is a super-2 number, since 2×55677764064736² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 16519276 + ... + 19602091.

It is an arithmetic number, because the mean of its divisors is an integer number (1297118324880).

Almost surely, 2^{55677764064736} is an apocalyptic number.

It is an amenable number.

55677764064736 is an abundant number, since it is smaller than the sum of its proper divisors (68845595123744).

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

55677764064736 is a wasteful number, since it uses less digits than its factorization.

55677764064736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36121568 (or 36121560 counting only the distinct ones).

The product of its (nonzero) digits is 3734035200, while the sum is 73.

The spelling of 55677764064736 in words is "fifty-five trillion, six hundred seventy-seven billion, seven hundred sixty-four million, sixty-four thousand, seven hundred thirty-six".