53342120 has 64 divisors (see below), whose sum is σ = 136080000. Its totient is φ = 18655488.

The previous prime is 53342119. The next prime is 53342131. The reversal of 53342120 is 2124335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53342092 and 53342101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7181 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (2126250).

Almost surely, 2^53342120 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 53342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68040000).

53342120 is an abundant number, since it is smaller than the sum of its proper divisors (82737880).

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

53342120 is a wasteful number, since it uses less digits than its factorization.

53342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5438 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53342120 is about 7303.5689905689. The cubic root of 53342120 is about 376.4350818421.

Adding to 53342120 its reverse (2124335), we get a palindrome (55466455).

The spelling of 53342120 in words is "fifty-three million, three hundred forty-two thousand, one hundred twenty".