53505845 has 16 divisors (see below), whose sum is σ = 67376640. Its totient is φ = 40737600.

The previous prime is 53505833. The next prime is 53505847. The reversal of 53505845 is 54850535.

It is not a de Polignac number, because 53505845 - 2²⁰ = 52457269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6626 + ... + 12284.

It is an arithmetic number, because the mean of its divisors is an integer number (4211040).

Almost surely, 2^53505845 is an apocalyptic number.

It is an amenable number.

53505845 is a deficient number, since it is larger than the sum of its proper divisors (13870795).

53505845 is a wasteful number, since it uses less digits than its factorization.

53505845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 53505845 is about 7314.7689642257. The cubic root of 53505845 is about 376.8198239856.

The spelling of 53505845 in words is "fifty-three million, five hundred five thousand, eight hundred forty-five".