52525043531 has 4 divisors (see below), whose sum is σ = 55614751992. Its totient is φ = 49435335072.

The previous prime is 52525043383. The next prime is 52525043587. The reversal of 52525043531 is 13534052525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52525043531 is a prime.

It is a super-2 number, since 2×52525043531² (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 = 52525043491 and 52525043500.

It is not an unprimeable number, because it can be changed into a prime (52525040531) 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, 1544854205 + ... + 1544854238.

It is an arithmetic number, because the mean of its divisors is an integer number (13903687998).

Almost surely, 2^52525043531 is an apocalyptic number.

52525043531 is a deficient number, since it is larger than the sum of its proper divisors (3089708461).

52525043531 is a wasteful number, since it uses less digits than its factorization.

52525043531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089708460.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 52525043531 in words is "fifty-two billion, five hundred twenty-five million, forty-three thousand, five hundred thirty-one".