52100805 has 16 divisors (see below), whose sum is σ = 83715840. Its totient is φ = 27668928.

The previous prime is 52100803. The next prime is 52100809. The reversal of 52100805 is 50800125.

It is not a de Polignac number, because 52100805 - 2¹ = 52100803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52100803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (5232240).

Almost surely, 2^52100805 is an apocalyptic number.

It is an amenable number.

52100805 is a deficient number, since it is larger than the sum of its proper divisors (31615035).

52100805 is a wasteful number, since it uses less digits than its factorization.

52100805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14780.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 52100805 is about 7218.0887359467. The cubic root of 52100805 is about 373.4921496032.

The spelling of 52100805 in words is "fifty-two million, one hundred thousand, eight hundred five".