52285405 has 8 divisors (see below), whose sum is σ = 64906200. Its totient is φ = 40385856.

The previous prime is 52285399. The next prime is 52285423. The reversal of 52285405 is 50458225.

It can be written as a sum of positive squares in 4 ways, for example, as 1505529 + 50779876 = 1227^2 + 7126^2 .

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 52285405 - 2⁹ = 52284893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180150 + ... + 180439.

It is an arithmetic number, because the mean of its divisors is an integer number (8113275).

Almost surely, 2^52285405 is an apocalyptic number.

It is an amenable number.

52285405 is a deficient number, since it is larger than the sum of its proper divisors (12620795).

52285405 is a wasteful number, since it uses less digits than its factorization.

52285405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360623.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 52285405 is about 7230.8647477325. The cubic root of 52285405 is about 373.9327402474.

The spelling of 52285405 in words is "fifty-two million, two hundred eighty-five thousand, four hundred five".