53003805 has 16 divisors (see below), whose sum is σ = 84896640. Its totient is φ = 28238528.

The previous prime is 53003803. The next prime is 53003879. The reversal of 53003805 is 50830035.

It is a cyclic number.

It is not a de Polignac number, because 53003805 - 2¹ = 53003803 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53003801) 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, 24976 + ... + 27014.

It is an arithmetic number, because the mean of its divisors is an integer number (5306040).

Almost surely, 2^53003805 is an apocalyptic number.

It is an amenable number.

53003805 is a deficient number, since it is larger than the sum of its proper divisors (31892835).

53003805 is a wasteful number, since it uses less digits than its factorization.

53003805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53003805 is about 7280.3712130632. The cubic root of 53003805 is about 375.6375643059.

The spelling of 53003805 in words is "fifty-three million, three thousand, eight hundred five".