52075753821 has 160 divisors (see below), whose sum is σ = 99672249600. Its totient is φ = 26353797120.

The previous prime is 52075753801. The next prime is 52075753867. The reversal of 52075753821 is 12835757025.

52075753821 is a `hidden beast` number, since 5 + 20 + 7 + 575 + 38 + 21 = 666.

It is not a de Polignac number, because 52075753821 - 2⁶ = 52075753757 is a prime.

It is a super-2 number, since 2×52075753821² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52075753801) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 38262181 + ... + 38263541.

It is an arithmetic number, because the mean of its divisors is an integer number (622951560).

Almost surely, 2^52075753821 is an apocalyptic number.

It is an amenable number.

52075753821 is a deficient number, since it is larger than the sum of its proper divisors (47596495779).

52075753821 is a wasteful number, since it uses less digits than its factorization.

52075753821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 52075753821 in words is "fifty-two billion, seventy-five million, seven hundred fifty-three thousand, eight hundred twenty-one".