55786807228 has 12 divisors (see below), whose sum is σ = 98633376352. Its totient is φ = 27605842560.

The previous prime is 55786807207. The next prime is 55786807253. The reversal of 55786807228 is 82270868755.

It is a super-2 number, since 2×55786807228² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71889828 + ... + 71890603.

Almost surely, 2^55786807228 is an apocalyptic number.

It is an amenable number.

55786807228 is a deficient number, since it is larger than the sum of its proper divisors (42846569124).

55786807228 is a wasteful number, since it uses less digits than its factorization.

55786807228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143780532 (or 143780530 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 55786807228 in words is "fifty-five billion, seven hundred eighty-six million, eight hundred seven thousand, two hundred twenty-eight".