52031891026 has 4 divisors (see below), whose sum is σ = 78047836542. Its totient is φ = 26015945512.

The previous prime is 52031891003. The next prime is 52031891027. The reversal of 52031891026 is 62019813025.

52031891026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 228105²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 52031891025 + 1 = 228105^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (52031891027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13007972755 + ... + 13007972758.

Almost surely, 2^52031891026 is an apocalyptic number.

52031891026 is a deficient number, since it is larger than the sum of its proper divisors (26015945516).

52031891026 is a wasteful number, since it uses less digits than its factorization.

52031891026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26015945515.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 52031891026 in words is "fifty-two billion, thirty-one million, eight hundred ninety-one thousand, twenty-six".