53133866 has 8 divisors (see below), whose sum is σ = 81051840. Its totient is φ = 26116588.

The previous prime is 53133803. The next prime is 53133917. The reversal of 53133866 is 66833135.

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

It is a super-2 number, since 2×53133866² = 5646415432211912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225026 + ... + 225261.

It is an arithmetic number, because the mean of its divisors is an integer number (10131480).

Almost surely, 2^53133866 is an apocalyptic number.

53133866 is a deficient number, since it is larger than the sum of its proper divisors (27917974).

53133866 is a wasteful number, since it uses less digits than its factorization.

53133866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450348.

The product of its digits is 38880, while the sum is 35.

The square root of 53133866 is about 7289.2980457654. The cubic root of 53133866 is about 375.9445604469.

The spelling of 53133866 in words is "fifty-three million, one hundred thirty-three thousand, eight hundred sixty-six".