55927775637 has 12 divisors (see below), whose sum is σ = 84296937504. Its totient is φ = 35664088680.

The previous prime is 55927775587. The next prime is 55927775647. The reversal of 55927775637 is 73657772955.

55927775637 is a `hidden beast` number, since 5 + 592 + 7 + 7 + 7 + 5 + 6 + 37 = 666.

It is not a de Polignac number, because 55927775637 - 2¹⁰ = 55927774613 is a prime.

It is a super-2 number, since 2×55927775637² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55927775647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135091039 + ... + 135091452.

It is an arithmetic number, because the mean of its divisors is an integer number (7024744792).

Almost surely, 2^55927775637 is an apocalyptic number.

It is an amenable number.

55927775637 is a deficient number, since it is larger than the sum of its proper divisors (28369161867).

55927775637 is a wasteful number, since it uses less digits than its factorization.

55927775637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270182520 (or 270182517 counting only the distinct ones).

The product of its digits is 97240500, while the sum is 63.

The spelling of 55927775637 in words is "fifty-five billion, nine hundred twenty-seven million, seven hundred seventy-five thousand, six hundred thirty-seven".