52071662 has 4 divisors (see below), whose sum is σ = 78107496. Its totient is φ = 26035830.

The previous prime is 52071659. The next prime is 52071713. The reversal of 52071662 is 26617025.

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

It is a super-2 number, since 2×52071662² = 5422915966884488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13017914 + ... + 13017917.

It is an arithmetic number, because the mean of its divisors is an integer number (19526874).

Almost surely, 2^52071662 is an apocalyptic number.

52071662 is a deficient number, since it is larger than the sum of its proper divisors (26035834).

52071662 is a wasteful number, since it uses less digits than its factorization.

52071662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26035833.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 52071662 is about 7216.0697058717. The cubic root of 52071662 is about 373.4224980126.

Adding to 52071662 its reverse (26617025), we get a palindrome (78688687).

The spelling of 52071662 in words is "fifty-two million, seventy-one thousand, six hundred sixty-two".