52621867 has 8 divisors (see below), whose sum is σ = 53738496. Its totient is φ = 51515112.

The previous prime is 52621853. The next prime is 52621879. The reversal of 52621867 is 76812625.

It is a happy number.

52621867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52621867 - 2¹⁹ = 52097579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52621267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8838 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (6717312).

Almost surely, 2^52621867 is an apocalyptic number.

52621867 is a deficient number, since it is larger than the sum of its proper divisors (1116629).

52621867 is a wasteful number, since it uses less digits than its factorization.

52621867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937.

The product of its digits is 40320, while the sum is 37.

The square root of 52621867 is about 7254.0931204390. The cubic root of 52621867 is about 374.7331244887.

The spelling of 52621867 in words is "fifty-two million, six hundred twenty-one thousand, eight hundred sixty-seven".