53216286 has 16 divisors (see below), whose sum is σ = 109309584. Its totient is φ = 17259264.

The previous prime is 53216281. The next prime is 53216287. The reversal of 53216286 is 68261235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53216281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119635 + ... + 120078.

It is an arithmetic number, because the mean of its divisors is an integer number (6831849).

Almost surely, 2^53216286 is an apocalyptic number.

53216286 is an abundant number, since it is smaller than the sum of its proper divisors (56093298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53216286 is a wasteful number, since it uses less digits than its factorization.

53216286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239755.

The product of its digits is 17280, while the sum is 33.

The square root of 53216286 is about 7294.9493486932. The cubic root of 53216286 is about 376.1388454704.

The spelling of 53216286 in words is "fifty-three million, two hundred sixteen thousand, two hundred eighty-six".