55286716 has 12 divisors (see below), whose sum is σ = 97491240. Its totient is φ = 27432080.

The previous prime is 55286689. The next prime is 55286723. The reversal of 55286716 is 61768255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52231 + ... + 53278.

It is an arithmetic number, because the mean of its divisors is an integer number (8124270).

Almost surely, 2^55286716 is an apocalyptic number.

It is an amenable number.

55286716 is a deficient number, since it is larger than the sum of its proper divisors (42204524).

55286716 is a wasteful number, since it uses less digits than its factorization.

55286716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105644 (or 105642 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 55286716 is about 7435.5037489063. The cubic root of 55286716 is about 380.9549297637.

The spelling of 55286716 in words is "fifty-five million, two hundred eighty-six thousand, seven hundred sixteen".