53786811 has 32 divisors (see below), whose sum is σ = 81994752. Its totient is φ = 31109760.

The previous prime is 53786809. The next prime is 53786839. The reversal of 53786811 is 11868735.

It is not a de Polignac number, because 53786811 - 2¹ = 53786809 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53786811.

It is not an unprimeable number, because it can be changed into a prime (53786801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54226 + ... + 55208.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 2^53786811 is an apocalyptic number.

53786811 is a deficient number, since it is larger than the sum of its proper divisors (28207941).

53786811 is a wasteful number, since it uses less digits than its factorization.

53786811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083.

The product of its digits is 40320, while the sum is 39.

The square root of 53786811 is about 7333.9492089869. The cubic root of 53786811 is about 377.4782491159.

The spelling of 53786811 in words is "fifty-three million, seven hundred eighty-six thousand, eight hundred eleven".