53772286 has 4 divisors (see below), whose sum is σ = 80658432. Its totient is φ = 26886142.

The previous prime is 53772281. The next prime is 53772307. The reversal of 53772286 is 68227735.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53772281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13443070 + ... + 13443073.

It is an arithmetic number, because the mean of its divisors is an integer number (20164608).

Almost surely, 2^53772286 is an apocalyptic number.

53772286 is a deficient number, since it is larger than the sum of its proper divisors (26886146).

53772286 is a wasteful number, since it uses less digits than its factorization.

53772286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26886145.

The product of its digits is 141120, while the sum is 40.

The square root of 53772286 is about 7332.9588843795. The cubic root of 53772286 is about 377.4442670232. Note that the first 3 decimals are identical.

The spelling of 53772286 in words is "fifty-three million, seven hundred seventy-two thousand, two hundred eighty-six".