53357905 has 4 divisors (see below), whose sum is σ = 64029492. Its totient is φ = 42686320.

The previous prime is 53357893. The next prime is 53357911. The reversal of 53357905 is 50975335.

53357905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30547729 + 22810176 = 5527^2 + 4776^2 .

It is not a de Polignac number, because 53357905 - 2¹⁹ = 52833617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335786 + ... + 5335795.

It is an arithmetic number, because the mean of its divisors is an integer number (16007373).

Almost surely, 2^53357905 is an apocalyptic number.

It is an amenable number.

53357905 is a deficient number, since it is larger than the sum of its proper divisors (10671587).

53357905 is a wasteful number, since it uses less digits than its factorization.

53357905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671586.

The product of its (nonzero) digits is 70875, while the sum is 37.

The square root of 53357905 is about 7304.6495466928. The cubic root of 53357905 is about 376.4722097361.

The spelling of 53357905 in words is "fifty-three million, three hundred fifty-seven thousand, nine hundred five".