52016645 has 8 divisors (see below), whose sum is σ = 62839800. Its totient is φ = 41333440.

The previous prime is 52016621. The next prime is 52016683. The reversal of 52016645 is 54661025.

It can be written as a sum of positive squares in 4 ways, for example, as 879844 + 51136801 = 938^2 + 7151^2 .

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

It is not a de Polignac number, because 52016645 - 2⁶ = 52016581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34166 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (7854975).

Almost surely, 2^52016645 is an apocalyptic number.

It is an amenable number.

52016645 is a deficient number, since it is larger than the sum of its proper divisors (10823155).

52016645 is a wasteful number, since it uses less digits than its factorization.

52016645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69975.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52016645 is about 7212.2565816809. The cubic root of 52016645 is about 373.2909368487.

The spelling of 52016645 in words is "fifty-two million, sixteen thousand, six hundred forty-five".