52020506531 has 4 divisors (see below), whose sum is σ = 59452007472. Its totient is φ = 44589005592.

The previous prime is 52020506521. The next prime is 52020506533. The reversal of 52020506531 is 13560502025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52020506531 - 2³⁴ = 34840637347 is a prime.

It is a super-2 number, since 2×52020506531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52020506494 and 52020506503.

It is not an unprimeable number, because it can be changed into a prime (52020506533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715750460 + ... + 3715750473.

It is an arithmetic number, because the mean of its divisors is an integer number (14863001868).

Almost surely, 2^52020506531 is an apocalyptic number.

52020506531 is a deficient number, since it is larger than the sum of its proper divisors (7431500941).

52020506531 is an equidigital number, since it uses as much as digits as its factorization.

52020506531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431500940.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 52020506531 in words is "fifty-two billion, twenty million, five hundred six thousand, five hundred thirty-one".