52659457 has 8 divisors (see below), whose sum is σ = 54504072. Its totient is φ = 50841600.

The previous prime is 52659449. The next prime is 52659461. The reversal of 52659457 is 75495625.

It can be written as a sum of positive squares in 4 ways, for example, as 9678321 + 42981136 = 3111^2 + 6556^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52659457 - 2³ = 52659449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52659437) 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, 2644 + ... + 10597.

It is an arithmetic number, because the mean of its divisors is an integer number (6813009).

Almost surely, 2^52659457 is an apocalyptic number.

It is an amenable number.

52659457 is a deficient number, since it is larger than the sum of its proper divisors (1844615).

52659457 is a wasteful number, since it uses less digits than its factorization.

52659457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379.

The product of its digits is 378000, while the sum is 43.

The square root of 52659457 is about 7256.6836089222. The cubic root of 52659457 is about 374.8223324305.

The spelling of 52659457 in words is "fifty-two million, six hundred fifty-nine thousand, four hundred fifty-seven".