55583973 has 6 divisors (see below), whose sum is σ = 80287974. Its totient is φ = 37055976.

The previous prime is 55583951. The next prime is 55583989. The reversal of 55583973 is 37938555.

55583973 is a `hidden beast` number, since 5 + 558 + 3 + 97 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52969284 + 2614689 = 7278^2 + 1617^2 .

It is not a de Polignac number, because 55583973 - 2¹⁸ = 55321829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55583933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3087990 + ... + 3088007.

It is an arithmetic number, because the mean of its divisors is an integer number (13381329).

Almost surely, 2^55583973 is an apocalyptic number.

It is an amenable number.

55583973 is a deficient number, since it is larger than the sum of its proper divisors (24704001).

55583973 is a wasteful number, since it uses less digits than its factorization.

55583973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176003 (or 6176000 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 55583973 is about 7455.4659814126. The cubic root of 55583973 is about 381.6364628014.

The spelling of 55583973 in words is "fifty-five million, five hundred eighty-three thousand, nine hundred seventy-three".