52403120 has 160 divisors (see below), whose sum is σ = 155990016. Its totient is φ = 15897600.

The previous prime is 52403119. The next prime is 52403171. The reversal of 52403120 is 2130425.

It is a Cunningham number, because it is equal to 7239²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289430 + ... + 289610.

Almost surely, 2^52403120 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 52403120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77995008).

52403120 is an abundant number, since it is smaller than the sum of its proper divisors (103586896).

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

52403120 is a wasteful number, since it uses less digits than its factorization.

52403120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52403120 is about 7238.9999309297. Note that the first 4 decimals coincide. The cubic root of 52403120 is about 374.2131531096.

Adding to 52403120 its reverse (2130425), we get a palindrome (54533545).

The spelling of 52403120 in words is "fifty-two million, four hundred three thousand, one hundred twenty".