52616643 has 32 divisors (see below), whose sum is σ = 77280000. Its totient is φ = 31715712.

The previous prime is 52616639. The next prime is 52616659. The reversal of 52616643 is 34661625.

It is not a de Polignac number, because 52616643 - 2² = 52616639 is a prime.

It is a super-2 number, since 2×52616643² = 5537022241178898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52616693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229653 + ... + 229881.

It is an arithmetic number, because the mean of its divisors is an integer number (2415000).

Almost surely, 2^52616643 is an apocalyptic number.

52616643 is a deficient number, since it is larger than the sum of its proper divisors (24663357).

52616643 is a wasteful number, since it uses less digits than its factorization.

52616643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its digits is 25920, while the sum is 33.

The square root of 52616643 is about 7253.7330389255. The cubic root of 52616643 is about 374.7207236197.

The spelling of 52616643 in words is "fifty-two million, six hundred sixteen thousand, six hundred forty-three".