52947747 has 6 divisors (see below), whose sum is σ = 76480092. Its totient is φ = 35298492.

The previous prime is 52947743. The next prime is 52947751. The reversal of 52947747 is 74774925.

It is an interprime number because it is at equal distance from previous prime (52947743) and next prime (52947751).

It is not a de Polignac number, because 52947747 - 2² = 52947743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52947743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2941533 + ... + 2941550.

It is an arithmetic number, because the mean of its divisors is an integer number (12746682).

Almost surely, 2^52947747 is an apocalyptic number.

52947747 is a deficient number, since it is larger than the sum of its proper divisors (23532345).

52947747 is a wasteful number, since it uses less digits than its factorization.

52947747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883089 (or 5883086 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 52947747 is about 7276.5202535278. The cubic root of 52947747 is about 375.5050900520.

It can be divided in two parts, 5294 and 7747, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 52947747 in words is "fifty-two million, nine hundred forty-seven thousand, seven hundred forty-seven".