53206766 has 8 divisors (see below), whose sum is σ = 81756864. Its totient is φ = 25954480.

The previous prime is 53206763. The next prime is 53206771. The reversal of 53206766 is 66760235.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53206763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324350 + ... + 324513.

It is an arithmetic number, because the mean of its divisors is an integer number (10219608).

Almost surely, 2^53206766 is an apocalyptic number.

53206766 is a deficient number, since it is larger than the sum of its proper divisors (28550098).

53206766 is a wasteful number, since it uses less digits than its factorization.

53206766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648906.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 53206766 is about 7294.2968132645. The cubic root of 53206766 is about 376.1164146469.

The spelling of 53206766 in words is "fifty-three million, two hundred six thousand, seven hundred sixty-six".