53400422 has 8 divisors (see below), whose sum is σ = 80374896. Its totient is φ = 26608792.

The previous prime is 53400377. The next prime is 53400433. The reversal of 53400422 is 22400435.

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

It is a junction number, because it is equal to n+sod(n) for n = 53400394 and 53400403.

It is a congruent number.

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, 44978 + ... + 46149.

It is an arithmetic number, because the mean of its divisors is an integer number (10046862).

Almost surely, 2^53400422 is an apocalyptic number.

53400422 is a deficient number, since it is larger than the sum of its proper divisors (26974474).

53400422 is a wasteful number, since it uses less digits than its factorization.

53400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91422.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 53400422 is about 7307.5592368451. The cubic root of 53400422 is about 376.5721775501.

Adding to 53400422 its reverse (22400435), we get a palindrome (75800857).

The spelling of 53400422 in words is "fifty-three million, four hundred thousand, four hundred twenty-two".