52907905 has 4 divisors (see below), whose sum is σ = 63489492. Its totient is φ = 42326320.

The previous prime is 52907903. The next prime is 52907909. The reversal of 52907905 is 50970925.

52907905 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 20178064 + 32729841 = 4492^2 + 5721^2 .

It is not a de Polignac number, because 52907905 - 2¹ = 52907903 is a prime.

It is a super-2 number, since 2×52907905² = 5598492822978050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52907903) by changing a digit.

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, 5290786 + ... + 5290795.

It is an arithmetic number, because the mean of its divisors is an integer number (15872373).

Almost surely, 2^52907905 is an apocalyptic number.

It is an amenable number.

52907905 is a deficient number, since it is larger than the sum of its proper divisors (10581587).

52907905 is a wasteful number, since it uses less digits than its factorization.

52907905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581586.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 52907905 is about 7273.7820286286. The cubic root of 52907905 is about 375.4108800129.

The spelling of 52907905 in words is "fifty-two million, nine hundred seven thousand, nine hundred five".