52285407 has 4 divisors (see below), whose sum is σ = 69713880. Its totient is φ = 34856936.

The previous prime is 52285399. The next prime is 52285423. The reversal of 52285407 is 70458225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52285407 - 2³ = 52285399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52285007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714232 + ... + 8714237.

It is an arithmetic number, because the mean of its divisors is an integer number (17428470).

Almost surely, 2^52285407 is an apocalyptic number.

52285407 is a deficient number, since it is larger than the sum of its proper divisors (17428473).

52285407 is a wasteful number, since it uses less digits than its factorization.

52285407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428472.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 52285407 is about 7230.8648860285. The cubic root of 52285407 is about 373.9327450152.

The spelling of 52285407 in words is "fifty-two million, two hundred eighty-five thousand, four hundred seven".