52011457 has 2 divisors, whose sum is σ = 52011458. Its totient is φ = 52011456.

The previous prime is 52011451. The next prime is 52011461. The reversal of 52011457 is 75411025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 10653696 = 6431^2 + 3264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52011457 is a prime.

It is not a weakly prime, because it can be changed into another prime (52011451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26005728 + 26005729.

It is an arithmetic number, because the mean of its divisors is an integer number (26005729).

Almost surely, 2^52011457 is an apocalyptic number.

It is an amenable number.

52011457 is a deficient number, since it is larger than the sum of its proper divisors (1).

52011457 is an equidigital number, since it uses as much as digits as its factorization.

52011457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 52011457 is about 7211.8969071944. The cubic root of 52011457 is about 373.2785260920.

The spelling of 52011457 in words is "fifty-two million, eleven thousand, four hundred fifty-seven".