53899885 has 8 divisors (see below), whose sum is σ = 69655320. Its totient is φ = 39802944.

The previous prime is 53899873. The next prime is 53899889. The reversal of 53899885 is 58899835.

It can be written as a sum of positive squares in 4 ways, for example, as 7469289 + 46430596 = 2733^2 + 6814^2 .

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 53899885 - 2¹³ = 53891693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53899889) 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, 414550 + ... + 414679.

It is an arithmetic number, because the mean of its divisors is an integer number (8706915).

Almost surely, 2^53899885 is an apocalyptic number.

It is an amenable number.

53899885 is a deficient number, since it is larger than the sum of its proper divisors (15755435).

53899885 is a wasteful number, since it uses less digits than its factorization.

53899885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829247.

The product of its digits is 3110400, while the sum is 55.

The square root of 53899885 is about 7341.6541051728. The cubic root of 53899885 is about 377.7425834348.

The spelling of 53899885 in words is "fifty-three million, eight hundred ninety-nine thousand, eight hundred eighty-five".