52087990726 has 4 divisors (see below), whose sum is σ = 78131986092. Its totient is φ = 26043995362.

The previous prime is 52087990723. The next prime is 52087990771. The reversal of 52087990726 is 62709978025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52087990723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13021997680 + ... + 13021997683.

It is an arithmetic number, because the mean of its divisors is an integer number (19532996523).

Almost surely, 2^52087990726 is an apocalyptic number.

52087990726 is a deficient number, since it is larger than the sum of its proper divisors (26043995366).

52087990726 is a wasteful number, since it uses less digits than its factorization.

52087990726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26043995365.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 52087990726 in words is "fifty-two billion, eighty-seven million, nine hundred ninety thousand, seven hundred twenty-six".