53820485 has 8 divisors (see below), whose sum is σ = 65494656. Its totient is φ = 42449680.

The previous prime is 53820463. The next prime is 53820511. The reversal of 53820485 is 58402835.

53820485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-53820485 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75449 + ... + 76158.

It is an arithmetic number, because the mean of its divisors is an integer number (8186832).

Almost surely, 2^53820485 is an apocalyptic number.

It is an amenable number.

53820485 is a deficient number, since it is larger than the sum of its proper divisors (11674171).

53820485 is a wasteful number, since it uses less digits than its factorization.

53820485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151683.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 53820485 is about 7336.2446115162. The cubic root of 53820485 is about 377.5570078957.

The spelling of 53820485 in words is "fifty-three million, eight hundred twenty thousand, four hundred eighty-five".