52125545 has 4 divisors (see below), whose sum is σ = 62550660. Its totient is φ = 41700432.

The previous prime is 52125527. The next prime is 52125599. The reversal of 52125545 is 54552125.

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 7823209 + 44302336 = 2797^2 + 6656^2 .

It is a cyclic number.

It is not a de Polignac number, because 52125545 - 2¹⁶ = 52060009 is a prime.

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, 5212550 + ... + 5212559.

It is an arithmetic number, because the mean of its divisors is an integer number (15637665).

Almost surely, 2^52125545 is an apocalyptic number.

It is an amenable number.

52125545 is a deficient number, since it is larger than the sum of its proper divisors (10425115).

52125545 is a wasteful number, since it uses less digits than its factorization.

52125545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425114.

The product of its digits is 10000, while the sum is 29.

The square root of 52125545 is about 7219.8022826113. The cubic root of 52125545 is about 373.5512576701.

The spelling of 52125545 in words is "fifty-two million, one hundred twenty-five thousand, five hundred forty-five".