52020745 has 16 divisors (see below), whose sum is σ = 71660160. Its totient is φ = 35512704.

The previous prime is 52020737. The next prime is 52020769. The reversal of 52020745 is 54702025.

It is a cyclic number.

It is not a de Polignac number, because 52020745 - 2³ = 52020737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4966 + ... + 11344.

It is an arithmetic number, because the mean of its divisors is an integer number (4478760).

Almost surely, 2^52020745 is an apocalyptic number.

It is an amenable number.

52020745 is a deficient number, since it is larger than the sum of its proper divisors (19639415).

52020745 is a wasteful number, since it uses less digits than its factorization.

52020745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52020745 is about 7212.5408144426. The cubic root of 52020745 is about 373.3007443031.

The spelling of 52020745 in words is "fifty-two million, twenty thousand, seven hundred forty-five".