52078549 has 2 divisors, whose sum is σ = 52078550. Its totient is φ = 52078548.

The previous prime is 52078517. The next prime is 52078561. The reversal of 52078549 is 94587025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40640625 + 11437924 = 6375^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 52078549 - 2⁵ = 52078517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52078589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26039274 + 26039275.

It is an arithmetic number, because the mean of its divisors is an integer number (26039275).

Almost surely, 2^52078549 is an apocalyptic number.

It is an amenable number.

52078549 is a deficient number, since it is larger than the sum of its proper divisors (1).

52078549 is an equidigital number, since it uses as much as digits as its factorization.

52078549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 52078549 is about 7216.5468889213. The cubic root of 52078549 is about 373.4389602448.

The spelling of 52078549 in words is "fifty-two million, seventy-eight thousand, five hundred forty-nine".