52045665 has 48 divisors (see below), whose sum is σ = 99593088. Its totient is φ = 22733568.

The previous prime is 52045663. The next prime is 52045673. The reversal of 52045665 is 56654025.

It is a happy number.

It is not a de Polignac number, because 52045665 - 2¹ = 52045663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52045663) 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, 55077 + ... + 56013.

It is an arithmetic number, because the mean of its divisors is an integer number (2074856).

Almost surely, 2^52045665 is an apocalyptic number.

It is an amenable number.

52045665 is a deficient number, since it is larger than the sum of its proper divisors (47547423).

52045665 is a wasteful number, since it uses less digits than its factorization.

52045665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 52045665 is about 7214.2681541512. The cubic root of 52045665 is about 373.3603434079.

The spelling of 52045665 in words is "fifty-two million, forty-five thousand, six hundred sixty-five".