53486786 has 8 divisors (see below), whose sum is σ = 84452880. Its totient is φ = 25335828.

The previous prime is 53486779. The next prime is 53486789. The reversal of 53486786 is 68768435.

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 53486786.

It is not an unprimeable number, because it can be changed into a prime (53486789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703736 + ... + 703811.

It is an arithmetic number, because the mean of its divisors is an integer number (10556610).

Almost surely, 2^53486786 is an apocalyptic number.

53486786 is a deficient number, since it is larger than the sum of its proper divisors (30966094).

53486786 is a wasteful number, since it uses less digits than its factorization.

53486786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407568.

The product of its digits is 967680, while the sum is 47.

The square root of 53486786 is about 7313.4660729370. The cubic root of 53486786 is about 376.7750770866.

The spelling of 53486786 in words is "fifty-three million, four hundred eighty-six thousand, seven hundred eighty-six".