53093905 has 4 divisors (see below), whose sum is σ = 63712692. Its totient is φ = 42475120.

The previous prime is 53093899. The next prime is 53093933. The reversal of 53093905 is 50939035.

It is a happy number.

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 17774656 + 35319249 = 4216^2 + 5943^2 .

It is not a de Polignac number, because 53093905 - 2³ = 53093897 is a prime.

It is a Duffinian 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, 5309386 + ... + 5309395.

It is an arithmetic number, because the mean of its divisors is an integer number (15928173).

Almost surely, 2^53093905 is an apocalyptic number.

It is an amenable number.

53093905 is a deficient number, since it is larger than the sum of its proper divisors (10618787).

53093905 is a wasteful number, since it uses less digits than its factorization.

53093905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618786.

The product of its (nonzero) digits is 18225, while the sum is 34.

The square root of 53093905 is about 7286.5564569281. The cubic root of 53093905 is about 375.8502898213.

The spelling of 53093905 in words is "fifty-three million, ninety-three thousand, nine hundred five".