53814985 has 16 divisors (see below), whose sum is σ = 75312000. Its totient is φ = 36900528.

The previous prime is 53814967. The next prime is 53814991. The reversal of 53814985 is 58941835.

53814985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53814985 - 2⁷ = 53814857 is a prime.

It is a super-2 number, since 2×53814985² = 5792105221100450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13975 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (4707000).

Almost surely, 2^53814985 is an apocalyptic number.

It is an amenable number.

53814985 is a deficient number, since it is larger than the sum of its proper divisors (21497015).

53814985 is an equidigital number, since it uses as much as digits as its factorization.

53814985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31405 (or 31391 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 53814985 is about 7335.8697507521. The cubic root of 53814985 is about 377.5441464094.

The spelling of 53814985 in words is "fifty-three million, eight hundred fourteen thousand, nine hundred eighty-five".