55973871 has 6 divisors (see below), whose sum is σ = 80851160. Its totient is φ = 37315908.

The previous prime is 55973839. The next prime is 55973873. The reversal of 55973871 is 17837955.

It is not a de Polignac number, because 55973871 - 2⁵ = 55973839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55973873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3109651 + ... + 3109668.

Almost surely, 2^55973871 is an apocalyptic number.

55973871 is a deficient number, since it is larger than the sum of its proper divisors (24877289).

55973871 is a wasteful number, since it uses less digits than its factorization.

55973871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219325 (or 6219322 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 55973871 is about 7481.5687526080. The cubic root of 55973871 is about 382.5267237512.

The spelling of 55973871 in words is "fifty-five million, nine hundred seventy-three thousand, eight hundred seventy-one".