53820806 has 16 divisors (see below), whose sum is σ = 91518000. Its totient is φ = 23532768.

The previous prime is 53820799. The next prime is 53820841. The reversal of 53820806 is 60802835.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53981 + ... + 54968.

It is an arithmetic number, because the mean of its divisors is an integer number (5719875).

Almost surely, 2^53820806 is an apocalyptic number.

53820806 is a deficient number, since it is larger than the sum of its proper divisors (37697194).

53820806 is a wasteful number, since it uses less digits than its factorization.

53820806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108983.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 53820806 is about 7336.2664891619. The cubic root of 53820806 is about 377.5577585117.

The spelling of 53820806 in words is "fifty-three million, eight hundred twenty thousand, eight hundred six".