53398286 has 4 divisors (see below), whose sum is σ = 80097432. Its totient is φ = 26699142.

The previous prime is 53398271. The next prime is 53398297. The reversal of 53398286 is 68289335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68289335 = 5 ⋅13657867.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13349570 + ... + 13349573.

It is an arithmetic number, because the mean of its divisors is an integer number (20024358).

Almost surely, 2^53398286 is an apocalyptic number.

53398286 is a deficient number, since it is larger than the sum of its proper divisors (26699146).

53398286 is a wasteful number, since it uses less digits than its factorization.

53398286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26699145.

The product of its digits is 311040, while the sum is 44.

The square root of 53398286 is about 7307.4130853538. The cubic root of 53398286 is about 376.5671565605.

The spelling of 53398286 in words is "fifty-three million, three hundred ninety-eight thousand, two hundred eighty-six".