52450642 has 4 divisors (see below), whose sum is σ = 78675966. Its totient is φ = 26225320.

The previous prime is 52450639. The next prime is 52450663. The reversal of 52450642 is 24605425.

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., 49829481 + 2621161 = 7059^2 + 1619^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52450642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13112659 + ... + 13112662.

Almost surely, 2^52450642 is an apocalyptic number.

52450642 is a deficient number, since it is larger than the sum of its proper divisors (26225324).

52450642 is a wasteful number, since it uses less digits than its factorization.

52450642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26225323.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 52450642 is about 7242.2815465846. The cubic root of 52450642 is about 374.3262378810.

The spelling of 52450642 in words is "fifty-two million, four hundred fifty thousand, six hundred forty-two".