52756238 has 4 divisors (see below), whose sum is σ = 79134360. Its totient is φ = 26378118.

The previous prime is 52756237. The next prime is 52756247. The reversal of 52756238 is 83265725.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52756237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13189058 + ... + 13189061.

It is an arithmetic number, because the mean of its divisors is an integer number (19783590).

Almost surely, 2^52756238 is an apocalyptic number.

52756238 is a deficient number, since it is larger than the sum of its proper divisors (26378122).

52756238 is a wasteful number, since it uses less digits than its factorization.

52756238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26378121.

The product of its digits is 100800, while the sum is 38.

The square root of 52756238 is about 7263.3489521019. The cubic root of 52756238 is about 375.0518162473.

It can be divided in two parts, 527 and 56238, that added together give a palindrome (56765).

The spelling of 52756238 in words is "fifty-two million, seven hundred fifty-six thousand, two hundred thirty-eight".