52078569 has 8 divisors (see below), whose sum is σ = 71131872. Its totient is φ = 33872160.

The previous prime is 52078561. The next prime is 52078583. The reversal of 52078569 is 96587025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52078569 - 2³ = 52078561 is a prime.

It is a super-2 number, since 2×52078569² = 5424354698175522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52078569.

It is not an unprimeable number, because it can be changed into a prime (52078561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211579 + ... + 211824.

It is an arithmetic number, because the mean of its divisors is an integer number (8891484).

Almost surely, 2^52078569 is an apocalyptic number.

It is an amenable number.

52078569 is a deficient number, since it is larger than the sum of its proper divisors (19053303).

52078569 is a wasteful number, since it uses less digits than its factorization.

52078569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423447.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 52078569 is about 7216.5482746255. The cubic root of 52078569 is about 373.4390080493.

The spelling of 52078569 in words is "fifty-two million, seventy-eight thousand, five hundred sixty-nine".