53242120 has 32 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 21208000.

The previous prime is 53242073. The next prime is 53242121. The reversal of 53242120 is 2124235.

53242120 = 1877² + 1878² + ... + 1891².

It is not an unprimeable number, because it can be changed into a prime (53242121) 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, 7389 + ... + 12691.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^53242120 is an apocalyptic number.

It is an amenable number.

53242120 is an abundant number, since it is smaller than the sum of its proper divisors (67052600).

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

53242120 is a wasteful number, since it uses less digits than its factorization.

53242120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565 (or 5561 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 53242120 is about 7296.7198109836. The cubic root of 53242120 is about 376.1997015208.

Adding to 53242120 its reverse (2124235), we get a palindrome (55366355).

The spelling of 53242120 in words is "fifty-three million, two hundred forty-two thousand, one hundred twenty".