53442422 has 16 divisors (see below), whose sum is σ = 87940944. Its totient is φ = 24156000.

The previous prime is 53442413. The next prime is 53442427. The reversal of 53442422 is 22424435.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53442391 and 53442400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729 + ... + 10692.

It is an arithmetic number, because the mean of its divisors is an integer number (5496309).

Almost surely, 2^53442422 is an apocalyptic number.

53442422 is a deficient number, since it is larger than the sum of its proper divisors (34498522).

53442422 is a wasteful number, since it uses less digits than its factorization.

53442422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13615.

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

The square root of 53442422 is about 7310.4324085515. The cubic root of 53442422 is about 376.6708776863.

Adding to 53442422 its reverse (22424435), we get a palindrome (75866857).

The spelling of 53442422 in words is "fifty-three million, four hundred forty-two thousand, four hundred twenty-two".