53784345 has 48 divisors (see below), whose sum is σ = 96373440. Its totient is φ = 25537536.

The previous prime is 53784343. The next prime is 53784359. The reversal of 53784345 is 54348735.

It is not a de Polignac number, because 53784345 - 2¹ = 53784343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53784343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82039 + ... + 82691.

It is an arithmetic number, because the mean of its divisors is an integer number (2007780).

Almost surely, 2^53784345 is an apocalyptic number.

It is an amenable number.

53784345 is a deficient number, since it is larger than the sum of its proper divisors (42589095).

53784345 is a wasteful number, since it uses less digits than its factorization.

53784345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 697 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 53784345 is about 7333.7810848157. The cubic root of 53784345 is about 377.4724801949.

The spelling of 53784345 in words is "fifty-three million, seven hundred eighty-four thousand, three hundred forty-five".