52308405 has 48 divisors (see below), whose sum is σ = 97095024. Its totient is φ = 25958400.

The previous prime is 52308391. The next prime is 52308407. The reversal of 52308405 is 50480325.

It can be written as a sum of positive squares in 8 ways, for example, as 22953681 + 29354724 = 4791^2 + 5418^2 .

It is not a de Polignac number, because 52308405 - 2¹¹ = 52306357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52308407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76927 + ... + 77603.

It is an arithmetic number, because the mean of its divisors is an integer number (2022813).

Almost surely, 2^52308405 is an apocalyptic number.

It is an amenable number.

52308405 is a deficient number, since it is larger than the sum of its proper divisors (44786619).

52308405 is a wasteful number, since it uses less digits than its factorization.

52308405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52308405 is about 7232.4549773918. The cubic root of 52308405 is about 373.9875623801.

The spelling of 52308405 in words is "fifty-two million, three hundred eight thousand, four hundred five".