52742986 has 8 divisors (see below), whose sum is σ = 79170084. Its totient is φ = 26352960.

The previous prime is 52742971. The next prime is 52742999. The reversal of 52742986 is 68924725.

It can be written as a sum of positive squares in 2 ways, for example, as 52287361 + 455625 = 7231^2 + 675^2 .

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

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, 5385 + ... + 11596.

Almost surely, 2^52742986 is an apocalyptic number.

52742986 is a deficient number, since it is larger than the sum of its proper divisors (26427098).

52742986 is a wasteful number, since it uses less digits than its factorization.

52742986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18536.

The product of its digits is 241920, while the sum is 43.

The square root of 52742986 is about 7262.4366434414. The cubic root of 52742986 is about 375.0204101484.

The spelling of 52742986 in words is "fifty-two million, seven hundred forty-two thousand, nine hundred eighty-six".