53407845 has 12 divisors (see below), whose sum is σ = 92573676. Its totient is φ = 28484160.

The previous prime is 53407813. The next prime is 53407847. The reversal of 53407845 is 54870435.

It can be written as a sum of positive squares in 2 ways, for example, as 24860196 + 28547649 = 4986^2 + 5343^2 .

It is not a de Polignac number, because 53407845 - 2⁵ = 53407813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53407847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593376 + ... + 593465.

It is an arithmetic number, because the mean of its divisors is an integer number (7714473).

Almost surely, 2^53407845 is an apocalyptic number.

It is an amenable number.

53407845 is a deficient number, since it is larger than the sum of its proper divisors (39165831).

53407845 is a wasteful number, since it uses less digits than its factorization.

53407845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186852 (or 1186849 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53407845 is about 7308.0671179184. The cubic root of 53407845 is about 376.5896253883.

The spelling of 53407845 in words is "fifty-three million, four hundred seven thousand, eight hundred forty-five".