53043345 has 24 divisors (see below), whose sum is σ = 96782400. Its totient is φ = 26800416.

The previous prime is 53043323. The next prime is 53043371. The reversal of 53043345 is 54334035.

It is a happy number.

It is not a de Polignac number, because 53043345 - 2⁹ = 53042833 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30165 + ... + 31874.

It is an arithmetic number, because the mean of its divisors is an integer number (4032600).

Almost surely, 2^53043345 is an apocalyptic number.

It is an amenable number.

53043345 is a deficient number, since it is larger than the sum of its proper divisors (43739055).

53043345 is a wasteful number, since it uses less digits than its factorization.

53043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62069 (or 62066 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53043345 is about 7283.0862276922. The cubic root of 53043345 is about 375.7309476490.

It can be divided in two parts, 5304 and 3345, that added together give a square (8649 = 93²).

The spelling of 53043345 in words is "fifty-three million, forty-three thousand, three hundred forty-five".