53225130 has 96 divisors (see below), whose sum is σ = 155258496. Its totient is φ = 11437056.

The previous prime is 53225111. The next prime is 53225141. The reversal of 53225130 is 3152235.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 53225097 and 53225106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60252 + ... + 61128.

It is an arithmetic number, because the mean of its divisors is an integer number (1617276).

Almost surely, 2^53225130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53225130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77629248).

53225130 is an abundant number, since it is smaller than the sum of its proper divisors (102033366).

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

53225130 is a wasteful number, since it uses less digits than its factorization.

53225130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53225130 is about 7295.5554963279. Note that the first 3 decimals coincide. The cubic root of 53225130 is about 376.1596811201.

Adding to 53225130 its reverse (3152235), we get a palindrome (56377365).

The spelling of 53225130 in words is "fifty-three million, two hundred twenty-five thousand, one hundred thirty".