52000057 has 4 divisors (see below), whose sum is σ = 52397136. Its totient is φ = 51602980.

The previous prime is 52000043. The next prime is 52000061. The reversal of 52000057 is 75000025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52000057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51999998 and 52000043.

It is not an unprimeable number, because it can be changed into a prime (52000007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198343 + ... + 198604.

It is an arithmetic number, because the mean of its divisors is an integer number (13099284).

Almost surely, 2^52000057 is an apocalyptic number.

It is an amenable number.

52000057 is a deficient number, since it is larger than the sum of its proper divisors (397079).

52000057 is a wasteful number, since it uses less digits than its factorization.

52000057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397078.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 52000057 is about 7211.1065031658. The cubic root of 52000057 is about 373.2512520619.

The spelling of 52000057 in words is "fifty-two million, fifty-seven", and thus it is an aban number and an uban number.