53287746 has 8 divisors (see below), whose sum is σ = 106575504. Its totient is φ = 17762580.

The previous prime is 53287727. The next prime is 53287753. The reversal of 53287746 is 64778235.

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

53287746 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 53287698 and 53287707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440640 + ... + 4440651.

It is an arithmetic number, because the mean of its divisors is an integer number (13321938).

Almost surely, 2^53287746 is an apocalyptic number.

53287746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53287746 is a wasteful number, since it uses less digits than its factorization.

53287746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881296.

The product of its digits is 282240, while the sum is 42.

The square root of 53287746 is about 7299.8456148058. The cubic root of 53287746 is about 376.3071326728.

The spelling of 53287746 in words is "fifty-three million, two hundred eighty-seven thousand, seven hundred forty-six".