52138577 has 2 divisors, whose sum is σ = 52138578. Its totient is φ = 52138576.

The previous prime is 52138573. The next prime is 52138579. The reversal of 52138577 is 77583125.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 7529536 = 6679^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 52138577 - 2² = 52138573 is a prime.

Together with 52138579, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52138577.

It is not a weakly prime, because it can be changed into another prime (52138573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26069288 + 26069289.

It is an arithmetic number, because the mean of its divisors is an integer number (26069289).

Almost surely, 2^52138577 is an apocalyptic number.

It is an amenable number.

52138577 is a deficient number, since it is larger than the sum of its proper divisors (1).

52138577 is an equidigital number, since it uses as much as digits as its factorization.

52138577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 38.

The square root of 52138577 is about 7220.7047439983. The cubic root of 52138577 is about 373.5823858137.

The spelling of 52138577 in words is "fifty-two million, one hundred thirty-eight thousand, five hundred seventy-seven".