52543738 has 8 divisors (see below), whose sum is σ = 84878388. Its totient is φ = 24250944.

The previous prime is 52543727. The next prime is 52543783. The reversal of 52543738 is 83734525.

It can be written as a sum of positive squares in 2 ways, for example, as 49744809 + 2798929 = 7053^2 + 1673^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 52543697 and 52543706.

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, 1010431 + ... + 1010482.

Almost surely, 2^52543738 is an apocalyptic number.

52543738 is a deficient number, since it is larger than the sum of its proper divisors (32334650).

52543738 is a wasteful number, since it uses less digits than its factorization.

52543738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020928.

The product of its digits is 100800, while the sum is 37.

The square root of 52543738 is about 7248.7059534789. The cubic root of 52543738 is about 374.5475740853.

The spelling of 52543738 in words is "fifty-two million, five hundred forty-three thousand, seven hundred thirty-eight".