52240057 has 2 divisors, whose sum is σ = 52240058. Its totient is φ = 52240056.

The previous prime is 52240043. The next prime is 52240079. The reversal of 52240057 is 75004225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27678121 + 24561936 = 5261^2 + 4956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52240057 is a prime.

It is equal to p_3127336 and since 52240057 and 3127336 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52240957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26120028 + 26120029.

It is an arithmetic number, because the mean of its divisors is an integer number (26120029).

Almost surely, 2^52240057 is an apocalyptic number.

It is an amenable number.

52240057 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240057 is an equidigital number, since it uses as much as digits as its factorization.

52240057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52240057 is about 7227.7283429858. The cubic root of 52240057 is about 373.8246029532.

The spelling of 52240057 in words is "fifty-two million, two hundred forty thousand, fifty-seven".