53821162 has 8 divisors (see below), whose sum is σ = 82913796. Its totient is φ = 26183232.

The previous prime is 53821139. The next prime is 53821169. The reversal of 53821162 is 26112835.

It can be written as a sum of positive squares in 2 ways, for example, as 53012961 + 808201 = 7281^2 + 899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53821162.

It is not an unprimeable number, because it can be changed into a prime (53821169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363583 + ... + 363730.

Almost surely, 2^53821162 is an apocalyptic number.

53821162 is a deficient number, since it is larger than the sum of its proper divisors (29092634).

53821162 is a wasteful number, since it uses less digits than its factorization.

53821162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727352.

The product of its digits is 2880, while the sum is 28.

The square root of 53821162 is about 7336.2907521444. The cubic root of 53821162 is about 377.5585909672.

Adding to 53821162 its reverse (26112835), we get a palindrome (79933997).

The spelling of 53821162 in words is "fifty-three million, eight hundred twenty-one thousand, one hundred sixty-two".