52120046531 has 12 divisors (see below), whose sum is σ = 60649308720. Its totient is φ = 44659686960.

The previous prime is 52120046519. The next prime is 52120046569. The reversal of 52120046531 is 13564002125.

It is not a de Polignac number, because 52120046531 - 2⁶ = 52120046467 is a prime.

It is a super-2 number, since 2×52120046531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52120046494 and 52120046503.

It is not an unprimeable number, because it can be changed into a prime (52120046501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21860 + ... + 323601.

It is an arithmetic number, because the mean of its divisors is an integer number (5054109060).

Almost surely, 2^52120046531 is an apocalyptic number.

52120046531 is a deficient number, since it is larger than the sum of its proper divisors (8529262189).

52120046531 is a wasteful number, since it uses less digits than its factorization.

52120046531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348554 (or 348547 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 52120046531 its reverse (13564002125), we get a palindrome (65684048656).

The spelling of 52120046531 in words is "fifty-two billion, one hundred twenty million, forty-six thousand, five hundred thirty-one".