52642637 has 8 divisors (see below), whose sum is σ = 53575296. Its totient is φ = 51714432.

The previous prime is 52642633. The next prime is 52642651. The reversal of 52642637 is 73624625.

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 52642637 - 2² = 52642633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52642597 and 52642606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642631) 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, 30173 + ... + 31869.

It is an arithmetic number, because the mean of its divisors is an integer number (6696912).

Almost surely, 2^52642637 is an apocalyptic number.

It is an amenable number.

52642637 is a deficient number, since it is larger than the sum of its proper divisors (932659).

52642637 is a wasteful number, since it uses less digits than its factorization.

52642637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its digits is 60480, while the sum is 35.

The square root of 52642637 is about 7255.5245847561. The cubic root of 52642637 is about 374.7824207454.

The spelling of 52642637 in words is "fifty-two million, six hundred forty-two thousand, six hundred thirty-seven".