53936786 has 8 divisors (see below), whose sum is σ = 81164604. Its totient is φ = 26881920.

The previous prime is 53936737. The next prime is 53936791. The reversal of 53936786 is 68763935.

It can be written as a sum of positive squares in 2 ways, for example, as 38056561 + 15880225 = 6169^2 + 3985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53936786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42455 + ... + 43706.

Almost surely, 2^53936786 is an apocalyptic number.

53936786 is a deficient number, since it is larger than the sum of its proper divisors (27227818).

53936786 is a wasteful number, since it uses less digits than its factorization.

53936786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86476.

The product of its digits is 816480, while the sum is 47.

The square root of 53936786 is about 7344.1668009380. The cubic root of 53936786 is about 377.8287672877.

The spelling of 53936786 in words is "fifty-three million, nine hundred thirty-six thousand, seven hundred eighty-six".