52969847 has 4 divisors (see below), whose sum is σ = 60536976. Its totient is φ = 45402720.

The previous prime is 52969823. The next prime is 52969849. The reversal of 52969847 is 74896925.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52969847 - 2²⁰ = 51921271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52969795 and 52969804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52969849) 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, 3783554 + ... + 3783567.

It is an arithmetic number, because the mean of its divisors is an integer number (15134244).

Almost surely, 2^52969847 is an apocalyptic number.

52969847 is a deficient number, since it is larger than the sum of its proper divisors (7567129).

52969847 is an equidigital number, since it uses as much as digits as its factorization.

52969847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567128.

The product of its digits is 1088640, while the sum is 50.

The square root of 52969847 is about 7278.0386781055. The cubic root of 52969847 is about 375.5573271387.

The spelling of 52969847 in words is "fifty-two million, nine hundred sixty-nine thousand, eight hundred forty-seven".