52806398 has 4 divisors (see below), whose sum is σ = 79209600. Its totient is φ = 26403198.

The previous prime is 52806389. The next prime is 52806407. The reversal of 52806398 is 89360825.

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

It is an interprime number because it is at equal distance from previous prime (52806389) and next prime (52806407).

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 as a sum of consecutive naturals, namely, 13201598 + ... + 13201601.

It is an arithmetic number, because the mean of its divisors is an integer number (19802400).

Almost surely, 2^52806398 is an apocalyptic number.

52806398 is a deficient number, since it is larger than the sum of its proper divisors (26403202).

52806398 is a wasteful number, since it uses less digits than its factorization.

52806398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26403201.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 52806398 is about 7266.8010843837. The cubic root of 52806398 is about 375.1706435222.

The spelling of 52806398 in words is "fifty-two million, eight hundred six thousand, three hundred ninety-eight".