52947738 has 12 divisors (see below), whose sum is σ = 114720138. Its totient is φ = 17649240.

The previous prime is 52947701. The next prime is 52947743. The reversal of 52947738 is 83774925.

It can be written as a sum of positive squares in only one way, i.e., 37051569 + 15896169 = 6087^2 + 3987^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52947693 and 52947702.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1470753 + ... + 1470788.

Almost surely, 2^52947738 is an apocalyptic number.

52947738 is an abundant number, since it is smaller than the sum of its proper divisors (61772400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52947738 is a wasteful number, since it uses less digits than its factorization.

52947738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941549 (or 2941546 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 52947738 is about 7276.5196351003. The cubic root of 52947738 is about 375.5050687760.

The spelling of 52947738 in words is "fifty-two million, nine hundred forty-seven thousand, seven hundred thirty-eight".