52375405 has 8 divisors (see below), whose sum is σ = 63170712. Its totient is φ = 41686848.

The previous prime is 52375373. The next prime is 52375423. The reversal of 52375405 is 50457325.

It can be written as a sum of positive squares in 4 ways, for example, as 21261321 + 31114084 = 4611^2 + 5578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52375405 - 2⁵ = 52375373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25602 + ... + 27571.

It is an arithmetic number, because the mean of its divisors is an integer number (7896339).

Almost surely, 2^52375405 is an apocalyptic number.

It is an amenable number.

52375405 is a deficient number, since it is larger than the sum of its proper divisors (10795307).

52375405 is a wasteful number, since it uses less digits than its factorization.

52375405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53375.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 52375405 is about 7237.0853939967. The cubic root of 52375405 is about 374.1471701015.

The spelling of 52375405 in words is "fifty-two million, three hundred seventy-five thousand, four hundred five".