53807345 has 4 divisors (see below), whose sum is σ = 64568820. Its totient is φ = 43045872.

The previous prime is 53807311. The next prime is 53807357. The reversal of 53807345 is 54370835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29767936 + 24039409 = 5456^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 53807345 - 2¹⁸ = 53545201 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5380730 + ... + 5380739.

It is an arithmetic number, because the mean of its divisors is an integer number (16142205).

Almost surely, 2^53807345 is an apocalyptic number.

It is an amenable number.

53807345 is a deficient number, since it is larger than the sum of its proper divisors (10761475).

53807345 is a wasteful number, since it uses less digits than its factorization.

53807345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761474.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 53807345 is about 7335.3490032854. The cubic root of 53807345 is about 377.5262791816.

The spelling of 53807345 in words is "fifty-three million, eight hundred seven thousand, three hundred forty-five".