53723442 has 16 divisors (see below), whose sum is σ = 107565120. Its totient is φ = 17888112.

The previous prime is 53723437. The next prime is 53723443. The reversal of 53723442 is 24432735.

It is not an unprimeable number, because it can be changed into a prime (53723443) 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, 1659 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (6722820).

Almost surely, 2^53723442 is an apocalyptic number.

53723442 is an abundant number, since it is smaller than the sum of its proper divisors (53841678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53723442 is a wasteful number, since it uses less digits than its factorization.

53723442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857.

The product of its digits is 20160, while the sum is 30.

The square root of 53723442 is about 7329.6276849510. The cubic root of 53723442 is about 377.3299487003.

The spelling of 53723442 in words is "fifty-three million, seven hundred twenty-three thousand, four hundred forty-two".