52490026 has 4 divisors (see below), whose sum is σ = 78735042. Its totient is φ = 26245012.

The previous prime is 52489909. The next prime is 52490051. The reversal of 52490026 is 62009425.

52490026 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 7245²+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., 52490025 + 1 = 7245^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52489976 and 52490003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13122505 + ... + 13122508.

Almost surely, 2^52490026 is an apocalyptic number.

52490026 is a deficient number, since it is larger than the sum of its proper divisors (26245016).

52490026 is a wasteful number, since it uses less digits than its factorization.

52490026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26245015.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52490026 is about 7245.0000690131. Note that the first 4 decimals coincide. The cubic root of 52490026 is about 374.4199054740.

The spelling of 52490026 in words is "fifty-two million, four hundred ninety thousand, twenty-six".