52657001 has 4 divisors (see below), whose sum is σ = 52722900. Its totient is φ = 52591104.

The previous prime is 52656991. The next prime is 52657009. The reversal of 52657001 is 10075625.

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 50410000 + 2247001 = 7100^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 52657001 - 2¹⁸ = 52394857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52657009) 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, 31736 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (13180725).

Almost surely, 2^52657001 is an apocalyptic number.

It is an amenable number.

52657001 is a deficient number, since it is larger than the sum of its proper divisors (65899).

52657001 is an equidigital number, since it uses as much as digits as its factorization.

52657001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65898.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 52657001 is about 7256.5143836418. The cubic root of 52657001 is about 374.8165051900.

The spelling of 52657001 in words is "fifty-two million, six hundred fifty-seven thousand, one".