52042775 has 12 divisors (see below), whose sum is σ = 65175144. Its totient is φ = 41220000.

The previous prime is 52042759. The next prime is 52042789. The reversal of 52042775 is 57724025.

It is not a de Polignac number, because 52042775 - 2⁴ = 52042759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7781 + ... + 12830.

It is an arithmetic number, because the mean of its divisors is an integer number (5431262).

Almost surely, 2^52042775 is an apocalyptic number.

52042775 is a deficient number, since it is larger than the sum of its proper divisors (13132369).

52042775 is a wasteful number, since it uses less digits than its factorization.

52042775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722 (or 20717 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 52042775 is about 7214.0678538533. The cubic root of 52042775 is about 373.3534326091.

The spelling of 52042775 in words is "fifty-two million, forty-two thousand, seven hundred seventy-five".