52511533142 has 16 divisors (see below), whose sum is σ = 80906116032. Its totient is φ = 25552270920.

The previous prime is 52511533127. The next prime is 52511533159. The reversal of 52511533142 is 24133511525.

It is a super-2 number, since 2×52511533142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52511533099 and 52511533108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349584 + ... + 2371827.

It is an arithmetic number, because the mean of its divisors is an integer number (5056632252).

Almost surely, 2^52511533142 is an apocalyptic number.

52511533142 is a deficient number, since it is larger than the sum of its proper divisors (28394582890).

52511533142 is a wasteful number, since it uses less digits than its factorization.

52511533142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721563.

The product of its digits is 18000, while the sum is 32.

The spelling of 52511533142 in words is "fifty-two billion, five hundred eleven million, five hundred thirty-three thousand, one hundred forty-two".