52668570 has 32 divisors (see below), whose sum is σ = 133058880. Its totient is φ = 13305600.

The previous prime is 52668557. The next prime is 52668587. The reversal of 52668570 is 7586625.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45631 + ... + 46770.

It is an arithmetic number, because the mean of its divisors is an integer number (4158090).

Almost surely, 2^52668570 is an apocalyptic number.

52668570 is an abundant number, since it is smaller than the sum of its proper divisors (80390310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52668570 is a wasteful number, since it uses less digits than its factorization.

52668570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92430.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 52668570 is about 7257.3114856674. The cubic root of 52668570 is about 374.8439528516.

It can be divided in two parts, 526 and 68570, that added together give a palindrome (69096).

The spelling of 52668570 in words is "fifty-two million, six hundred sixty-eight thousand, five hundred seventy".