52062721 has 8 divisors (see below), whose sum is σ = 56060640. Its totient is φ = 48168768.

The previous prime is 52062719. The next prime is 52062727. The reversal of 52062721 is 12726025.

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

It is a cyclic number.

It is not a de Polignac number, because 52062721 - 2¹ = 52062719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52062727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24951 + ... + 26956.

It is an arithmetic number, because the mean of its divisors is an integer number (7007580).

Almost surely, 2^52062721 is an apocalyptic number.

It is an amenable number.

52062721 is a deficient number, since it is larger than the sum of its proper divisors (3997919).

52062721 is a wasteful number, since it uses less digits than its factorization.

52062721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51983.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52062721 is about 7215.4501592070. The cubic root of 52062721 is about 373.4011238682.

Adding to 52062721 its reverse (12726025), we get a palindrome (64788746).

The spelling of 52062721 in words is "fifty-two million, sixty-two thousand, seven hundred twenty-one".