55351112571 has 12 divisors (see below), whose sum is σ = 80224483248. Its totient is φ = 36774798864.

The previous prime is 55351112533. The next prime is 55351112623. The reversal of 55351112571 is 17521115355.

55351112571 is a `hidden beast` number, since 5 + 53 + 511 + 1 + 25 + 71 = 666.

It is not a de Polignac number, because 55351112571 - 2⁹ = 55351112059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55351110571) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10492455 + ... + 10497728.

It is an arithmetic number, because the mean of its divisors is an integer number (6685373604).

Almost surely, 2^55351112571 is an apocalyptic number.

55351112571 is a deficient number, since it is larger than the sum of its proper divisors (24873370677).

55351112571 is a wasteful number, since it uses less digits than its factorization.

55351112571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20990482 (or 20990479 counting only the distinct ones).

The product of its digits is 26250, while the sum is 36.

The spelling of 55351112571 in words is "fifty-five billion, three hundred fifty-one million, one hundred twelve thousand, five hundred seventy-one".