52262642 has 4 divisors (see below), whose sum is σ = 78393966. Its totient is φ = 26131320.

The previous prime is 52262633. The next prime is 52262657. The reversal of 52262642 is 24626225.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 50965321 + 1297321 = 7139^2 + 1139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13065659 + ... + 13065662.

Almost surely, 2^52262642 is an apocalyptic number.

52262642 is a deficient number, since it is larger than the sum of its proper divisors (26131324).

52262642 is a wasteful number, since it uses less digits than its factorization.

52262642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26131323.

The product of its digits is 11520, while the sum is 29.

The square root of 52262642 is about 7229.2905599374. The cubic root of 52262642 is about 373.8784671890.

Adding to 52262642 its reverse (24626225), we get a palindrome (76888867).

The spelling of 52262642 in words is "fifty-two million, two hundred sixty-two thousand, six hundred forty-two".