53399285 has 8 divisors (see below), whose sum is σ = 65442816. Its totient is φ = 41810320.

The previous prime is 53399263. The next prime is 53399293. The reversal of 53399285 is 58299335.

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

It is not a de Polignac number, because 53399285 - 2¹² = 53395189 is a prime.

It is a super-2 number, since 2×53399285² = 5702967277022450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113381 + ... + 113850.

It is an arithmetic number, because the mean of its divisors is an integer number (8180352).

Almost surely, 2^53399285 is an apocalyptic number.

It is an amenable number.

53399285 is a deficient number, since it is larger than the sum of its proper divisors (12043531).

53399285 is a wasteful number, since it uses less digits than its factorization.

53399285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227283.

The product of its digits is 291600, while the sum is 44.

The square root of 53399285 is about 7307.4814402775. The cubic root of 53399285 is about 376.5695048771.

The spelling of 53399285 in words is "fifty-three million, three hundred ninety-nine thousand, two hundred eighty-five".