52064657 has 4 divisors (see below), whose sum is σ = 53860020. Its totient is φ = 50269296.

The previous prime is 52064651. The next prime is 52064669. The reversal of 52064657 is 75646025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 38551681 = 3676^2 + 6209^2 .

It is not a de Polignac number, because 52064657 - 2⁸ = 52064401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52064651) 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, 897638 + ... + 897695.

It is an arithmetic number, because the mean of its divisors is an integer number (13465005).

Almost surely, 2^52064657 is an apocalyptic number.

It is an amenable number.

52064657 is a deficient number, since it is larger than the sum of its proper divisors (1795363).

52064657 is a wasteful number, since it uses less digits than its factorization.

52064657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795362.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 52064657 is about 7215.5843145237. The cubic root of 52064657 is about 373.4057522318.

The spelling of 52064657 in words is "fifty-two million, sixty-four thousand, six hundred fifty-seven".