52091477 has 2 divisors, whose sum is σ = 52091478. Its totient is φ = 52091476.

The previous prime is 52091471. The next prime is 52091489. The reversal of 52091477 is 77419025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47872561 + 4218916 = 6919^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 52091477 - 2¹⁰ = 52090453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52091471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26045738 + 26045739.

It is an arithmetic number, because the mean of its divisors is an integer number (26045739).

Almost surely, 2^52091477 is an apocalyptic number.

It is an amenable number.

52091477 is a deficient number, since it is larger than the sum of its proper divisors (1).

52091477 is an equidigital number, since it uses as much as digits as its factorization.

52091477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 52091477 is about 7217.4425525944. The cubic root of 52091477 is about 373.4698585675.

The spelling of 52091477 in words is "fifty-two million, ninety-one thousand, four hundred seventy-seven".