53216132 has 12 divisors (see below), whose sum is σ = 93466380. Its totient is φ = 26511456.

The previous prime is 53216117. The next prime is 53216147. The reversal of 53216132 is 23161235.

It is an interprime number because it is at equal distance from previous prime (53216117) and next prime (53216147).

It can be written as a sum of positive squares in 2 ways, for example, as 17023876 + 36192256 = 4126^2 + 6016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53216098 and 53216107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22907 + ... + 25122.

It is an arithmetic number, because the mean of its divisors is an integer number (7788865).

Almost surely, 2^53216132 is an apocalyptic number.

It is an amenable number.

53216132 is a deficient number, since it is larger than the sum of its proper divisors (40250248).

53216132 is a wasteful number, since it uses less digits than its factorization.

53216132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48310 (or 48308 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 53216132 is about 7294.9387934375. The cubic root of 53216132 is about 376.1384826401.

Adding to 53216132 its reverse (23161235), we get a palindrome (76377367).

The spelling of 53216132 in words is "fifty-three million, two hundred sixteen thousand, one hundred thirty-two".