53216130 has 64 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 12792000.

The previous prime is 53216117. The next prime is 53216147. The reversal of 53216130 is 3161235.

It is a junction number, because it is equal to n+sod(n) for n = 53216097 and 53216106.

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, 42615 + ... + 43845.

It is an arithmetic number, because the mean of its divisors is an integer number (2195424).

Almost surely, 2^53216130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53216130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70253568).

53216130 is an abundant number, since it is smaller than the sum of its proper divisors (87291006).

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

53216130 is a wasteful number, since it uses less digits than its factorization.

53216130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 53216130 is about 7294.9386563562. The cubic root of 53216130 is about 376.1384779280.

Adding to 53216130 its reverse (3161235), we get a palindrome (56377365).

The spelling of 53216130 in words is "fifty-three million, two hundred sixteen thousand, one hundred thirty".