53372286 has 48 divisors (see below), whose sum is σ = 127361520. Its totient is φ = 16018560.

The previous prime is 53372281. The next prime is 53372317. The reversal of 53372286 is 68227335.

53372286 is a `hidden beast` number, since 5 + 3 + 372 + 286 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53372286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53372281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20346 + ... + 22818.

It is an arithmetic number, because the mean of its divisors is an integer number (2653365).

Almost surely, 2^53372286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53372286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63680760).

53372286 is an abundant number, since it is smaller than the sum of its proper divisors (73989234).

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

53372286 is a wasteful number, since it uses less digits than its factorization.

53372286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601 (or 2598 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 53372286 is about 7305.6338534038. The cubic root of 53372286 is about 376.5060289083.

The spelling of 53372286 in words is "fifty-three million, three hundred seventy-two thousand, two hundred eighty-six".