53135311522 has 8 divisors (see below), whose sum is σ = 79850294172. Its totient is φ = 26518546800.

The previous prime is 53135311519. The next prime is 53135311543. The reversal of 53135311522 is 22511353135.

It can be written as a sum of positive squares in 2 ways, for example, as 44007228841 + 9128082681 = 209779^2 + 95541^2 .

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

It is a super-2 number, since 2×53135311522² (a number of 22 digits) contains 22 as substring.

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, 24553129 + ... + 24555292.

Almost surely, 2^53135311522 is an apocalyptic number.

53135311522 is a deficient number, since it is larger than the sum of its proper divisors (26714982650).

53135311522 is a wasteful number, since it uses less digits than its factorization.

53135311522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49108964.

The product of its digits is 13500, while the sum is 31.

Adding to 53135311522 its reverse (22511353135), we get a palindrome (75646664657).

The spelling of 53135311522 in words is "fifty-three billion, one hundred thirty-five million, three hundred eleven thousand, five hundred twenty-two".