53116278 has 16 divisors (see below), whose sum is σ = 106381296. Its totient is φ = 17680640.

The previous prime is 53116253. The next prime is 53116291. The reversal of 53116278 is 87261135.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (6648831).

Almost surely, 2^53116278 is an apocalyptic number.

53116278 is an abundant number, since it is smaller than the sum of its proper divisors (53265018).

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

53116278 is a wasteful number, since it uses less digits than its factorization.

53116278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399.

The product of its digits is 10080, while the sum is 33.

The square root of 53116278 is about 7288.0915197327. The cubic root of 53116278 is about 375.9030750245.

The spelling of 53116278 in words is "fifty-three million, one hundred sixteen thousand, two hundred seventy-eight".