52045457 has 2 divisors, whose sum is σ = 52045458. Its totient is φ = 52045456.

The previous prime is 52045453. The next prime is 52045463. The reversal of 52045457 is 75454025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49056016 + 2989441 = 7004^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 52045457 - 2² = 52045453 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52045453) 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, 26022728 + 26022729.

It is an arithmetic number, because the mean of its divisors is an integer number (26022729).

Almost surely, 2^52045457 is an apocalyptic number.

It is an amenable number.

52045457 is a deficient number, since it is larger than the sum of its proper divisors (1).

52045457 is an equidigital number, since it uses as much as digits as its factorization.

52045457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 52045457 is about 7214.2537382601. The cubic root of 52045457 is about 373.3598460302.

The spelling of 52045457 in words is "fifty-two million, forty-five thousand, four hundred fifty-seven".