52947369 has 12 divisors (see below), whose sum is σ = 76732656. Its totient is φ = 35181432.

The previous prime is 52947361. The next prime is 52947373. The reversal of 52947369 is 96374925.

It is a happy number.

It is not a de Polignac number, because 52947369 - 2³ = 52947361 is a prime.

It is a super-2 number, since 2×52947369² = 5606847768044322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52947361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6819 + ... + 12344.

It is an arithmetic number, because the mean of its divisors is an integer number (6394388).

Almost surely, 2^52947369 is an apocalyptic number.

It is an amenable number.

52947369 is a deficient number, since it is larger than the sum of its proper divisors (23785287).

52947369 is a wasteful number, since it uses less digits than its factorization.

52947369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19476 (or 19473 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 52947369 is about 7276.4942795277. The cubic root of 52947369 is about 375.5041964587.

The spelling of 52947369 in words is "fifty-two million, nine hundred forty-seven thousand, three hundred sixty-nine".