53923866 has 8 divisors (see below), whose sum is σ = 107847744. Its totient is φ = 17974620.

The previous prime is 53923841. The next prime is 53923873. The reversal of 53923866 is 66832935.

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

53923866 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4493650 + ... + 4493661.

It is an arithmetic number, because the mean of its divisors is an integer number (13480968).

Almost surely, 2^53923866 is an apocalyptic number.

53923866 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.

53923866 is a wasteful number, since it uses less digits than its factorization.

53923866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987316.

The product of its digits is 233280, while the sum is 42.

The square root of 53923866 is about 7343.2871386049. The cubic root of 53923866 is about 377.7985965523.

The spelling of 53923866 in words is "fifty-three million, nine hundred twenty-three thousand, eight hundred sixty-six".