53422442 has 4 divisors (see below), whose sum is σ = 80133666. Its totient is φ = 26711220.

The previous prime is 53422429. The next prime is 53422489. The reversal of 53422442 is 24422435.

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., 53421481 + 961 = 7309^2 + 31^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13355609 + ... + 13355612.

Almost surely, 2^53422442 is an apocalyptic number.

53422442 is a deficient number, since it is larger than the sum of its proper divisors (26711224).

53422442 is a wasteful number, since it uses less digits than its factorization.

53422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26711223.

The product of its digits is 7680, while the sum is 26.

The square root of 53422442 is about 7309.0657405718. The cubic root of 53422442 is about 376.6239310727.

Adding to 53422442 its reverse (24422435), we get a palindrome (77844877).

The spelling of 53422442 in words is "fifty-three million, four hundred twenty-two thousand, four hundred forty-two".