53442120 has 64 divisors (see below), whose sum is σ = 164070720. Its totient is φ = 13918464.

The previous prime is 53442119. The next prime is 53442127. The reversal of 53442120 is 2124435.

It is not an unprimeable number, because it can be changed into a prime (53442127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (2563605).

Almost surely, 2^53442120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53442120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82035360).

53442120 is an abundant number, since it is smaller than the sum of its proper divisors (110628600).

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

53442120 is a wasteful number, since it uses less digits than its factorization.

53442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414 (or 10410 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 53442120 is about 7310.4117531094. The cubic root of 53442120 is about 376.6701681700.

Adding to 53442120 its reverse (2124435), we get a palindrome (55566555).

The spelling of 53442120 in words is "fifty-three million, four hundred forty-two thousand, one hundred twenty".