53013722 has 8 divisors (see below), whose sum is σ = 79554900. Its totient is φ = 26495424.

The previous prime is 53013707. The next prime is 53013733. The reversal of 53013722 is 22731035.

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 6651241 = 6809^2 + 2579^2 .

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

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, 2354 + ... + 10562.

Almost surely, 2^53013722 is an apocalyptic number.

53013722 is a deficient number, since it is larger than the sum of its proper divisors (26541178).

53013722 is a wasteful number, since it uses less digits than its factorization.

53013722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 53013722 is about 7281.0522591175. The cubic root of 53013722 is about 375.6609900796.

Adding to 53013722 its reverse (22731035), we get a palindrome (75744757).

It can be divided in two parts, 53013 and 722, that added together give a palindrome (53735).

The spelling of 53013722 in words is "fifty-three million, thirteen thousand, seven hundred twenty-two".