52440051 has 4 divisors (see below), whose sum is σ = 69920072. Its totient is φ = 34960032.

The previous prime is 52440007. The next prime is 52440067. The reversal of 52440051 is 15004425.

52440051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52440051 - 2⁶ = 52439987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52440001) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8740006 + ... + 8740011.

It is an arithmetic number, because the mean of its divisors is an integer number (17480018).

Almost surely, 2^52440051 is an apocalyptic number.

52440051 is a deficient number, since it is larger than the sum of its proper divisors (17480021).

52440051 is a wasteful number, since it uses less digits than its factorization.

52440051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17480020.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52440051 is about 7241.5503174389. The cubic root of 52440051 is about 374.3010411379.

Adding to 52440051 its reverse (15004425), we get a palindrome (67444476).

The spelling of 52440051 in words is "fifty-two million, four hundred forty thousand, fifty-one".