52657210 has 8 divisors (see below), whose sum is σ = 94782996. Its totient is φ = 21062880.

The previous prime is 52657207. The next prime is 52657217. The reversal of 52657210 is 1275625.

It can be written as a sum of positive squares in 2 ways, for example, as 51710481 + 946729 = 7191^2 + 973^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52657217) 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, 2632851 + ... + 2632870.

Almost surely, 2^52657210 is an apocalyptic number.

52657210 is a deficient number, since it is larger than the sum of its proper divisors (42125786).

52657210 is a wasteful number, since it uses less digits than its factorization.

52657210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265728.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52657210 is about 7256.5287844809. The cubic root of 52657210 is about 374.8170010820.

The spelling of 52657210 in words is "fifty-two million, six hundred fifty-seven thousand, two hundred ten".