52845005 has 6 divisors (see below), whose sum is σ = 63433518. Its totient is φ = 42263000.

The previous prime is 52844999. The next prime is 52845029. The reversal of 52845005 is 50054825.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 10569001 = 6502^2 + 3251^2 .

It is not a de Polignac number, because 52845005 - 2¹⁰ = 52843981 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 5 ways as a sum of consecutive naturals, for example, 14630 + ... + 17880.

It is an arithmetic number, because the mean of its divisors is an integer number (10572253).

Almost surely, 2^52845005 is an apocalyptic number.

It is an amenable number.

52845005 is a deficient number, since it is larger than the sum of its proper divisors (10588513).

52845005 is an frugal number, since it uses more digits than its factorization.

52845005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 52845005 is about 7269.4569948518. The cubic root of 52845005 is about 375.2620509096.

Multiplying 52845005 by its product of nonzero digits (8000), we get a square (422760040000 = 650200²).

The spelling of 52845005 in words is "fifty-two million, eight hundred forty-five thousand, five".