55873197 has 12 divisors (see below), whose sum is σ = 80996604. Its totient is φ = 37114560.

The previous prime is 55873159. The next prime is 55873229. The reversal of 55873197 is 79137855.

55873197 is a `hidden beast` number, since 558 + 7 + 3 + 1 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 10634121 = 6726^2 + 3261^2 .

It is not a de Polignac number, because 55873197 - 2¹¹ = 55871149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55873117) 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, 8518 + ... + 13575.

It is an arithmetic number, because the mean of its divisors is an integer number (6749717).

Almost surely, 2^55873197 is an apocalyptic number.

It is an amenable number.

55873197 is a deficient number, since it is larger than the sum of its proper divisors (25123407).

55873197 is a wasteful number, since it uses less digits than its factorization.

55873197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380 (or 22377 counting only the distinct ones).

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

The square root of 55873197 is about 7474.8375902089. The cubic root of 55873197 is about 382.2972499748.

The spelling of 55873197 in words is "fifty-five million, eight hundred seventy-three thousand, one hundred ninety-seven".