55286713 has 4 divisors (see below), whose sum is σ = 58196560. Its totient is φ = 52376868.

The previous prime is 55286689. The next prime is 55286723. The reversal of 55286713 is 31768255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55286713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55286723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454895 + ... + 1454932.

It is an arithmetic number, because the mean of its divisors is an integer number (14549140).

Almost surely, 2^55286713 is an apocalyptic number.

It is an amenable number.

55286713 is a deficient number, since it is larger than the sum of its proper divisors (2909847).

55286713 is a wasteful number, since it uses less digits than its factorization.

55286713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909846.

The product of its digits is 50400, while the sum is 37.

The square root of 55286713 is about 7435.5035471715. The cubic root of 55286713 is about 380.9549228732.

The spelling of 55286713 in words is "fifty-five million, two hundred eighty-six thousand, seven hundred thirteen".