55871306 has 4 divisors (see below), whose sum is σ = 83806962. Its totient is φ = 27935652.

The previous prime is 55871287. The next prime is 55871311. The reversal of 55871306 is 60317855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33166081 + 22705225 = 5759^2 + 4765^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13967825 + ... + 13967828.

Almost surely, 2^55871306 is an apocalyptic number.

55871306 is a deficient number, since it is larger than the sum of its proper divisors (27935656).

55871306 is a wasteful number, since it uses less digits than its factorization.

55871306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935655.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55871306 is about 7474.7110980960. The cubic root of 55871306 is about 382.2929370407.

The spelling of 55871306 in words is "fifty-five million, eight hundred seventy-one thousand, three hundred six".