52540847 has 4 divisors (see below), whose sum is σ = 52623456. Its totient is φ = 52458240.

The previous prime is 52540841. The next prime is 52540889. The reversal of 52540847 is 74804525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52540841) 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, 40343 + ... + 41624.

It is an arithmetic number, because the mean of its divisors is an integer number (13155864).

Almost surely, 2^52540847 is an apocalyptic number.

52540847 is a deficient number, since it is larger than the sum of its proper divisors (82609).

52540847 is an equidigital number, since it uses as much as digits as its factorization.

52540847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82608.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 52540847 is about 7248.5065358321. The cubic root of 52540847 is about 374.5407046534.

The spelling of 52540847 in words is "fifty-two million, five hundred forty thousand, eight hundred forty-seven".