52167805 has 4 divisors (see below), whose sum is σ = 62601372. Its totient is φ = 41734240.

The previous prime is 52167799. The next prime is 52167821. The reversal of 52167805 is 50876125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19882681 + 32285124 = 4459^2 + 5682^2 .

It is not a de Polignac number, because 52167805 - 2⁷ = 52167677 is a prime.

It is a Duffinian number.

It is a congruent 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, 5216776 + ... + 5216785.

It is an arithmetic number, because the mean of its divisors is an integer number (15650343).

Almost surely, 2^52167805 is an apocalyptic number.

It is an amenable number.

52167805 is a deficient number, since it is larger than the sum of its proper divisors (10433567).

52167805 is a wasteful number, since it uses less digits than its factorization.

52167805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433566.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 52167805 is about 7222.7283626065. The cubic root of 52167805 is about 373.6521807518.

The spelling of 52167805 in words is "fifty-two million, one hundred sixty-seven thousand, eight hundred five".