52747438 has 8 divisors (see below), whose sum is σ = 79261920. Its totient is φ = 26326800.

The previous prime is 52747427. The next prime is 52747463. The reversal of 52747438 is 83474725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52747438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22038 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (9907740).

Almost surely, 2^52747438 is an apocalyptic number.

52747438 is a deficient number, since it is larger than the sum of its proper divisors (26514482).

52747438 is a wasteful number, since it uses less digits than its factorization.

52747438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46922.

The product of its digits is 188160, while the sum is 40.

The square root of 52747438 is about 7262.7431456716. The cubic root of 52747438 is about 375.0309615918.

The spelling of 52747438 in words is "fifty-two million, seven hundred forty-seven thousand, four hundred thirty-eight".