55511282277 has 24 divisors (see below), whose sum is σ = 88101642720. Its totient is φ = 33401155680.

The previous prime is 55511282201. The next prime is 55511282287. The reversal of 55511282277 is 77228211555.

55511282277 is a `hidden beast` number, since 5 + 551 + 1 + 2 + 8 + 22 + 77 = 666.

It is not a de Polignac number, because 55511282277 - 2⁷ = 55511282149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511282287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2003218 + ... + 2030739.

It is an arithmetic number, because the mean of its divisors is an integer number (3670901780).

Almost surely, 2^55511282277 is an apocalyptic number.

It is an amenable number.

55511282277 is a deficient number, since it is larger than the sum of its proper divisors (32590360443).

55511282277 is a wasteful number, since it uses less digits than its factorization.

55511282277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034113 (or 4034110 counting only the distinct ones).

The product of its digits is 392000, while the sum is 45.

The spelling of 55511282277 in words is "fifty-five billion, five hundred eleven million, two hundred eighty-two thousand, two hundred seventy-seven".