52126621 has 8 divisors (see below), whose sum is σ = 54641664. Its totient is φ = 49670880.

The previous prime is 52126589. The next prime is 52126631. The reversal of 52126621 is 12662125.

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 52126621 - 2⁵ = 52126589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52126631) 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, 13021 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (6830208).

Almost surely, 2^52126621 is an apocalyptic number.

It is an amenable number.

52126621 is a deficient number, since it is larger than the sum of its proper divisors (2515043).

52126621 is a wasteful number, since it uses less digits than its factorization.

52126621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29651.

The product of its digits is 1440, while the sum is 25.

The square root of 52126621 is about 7219.8767995029. The cubic root of 52126621 is about 373.5538279926.

Adding to 52126621 its reverse (12662125), we get a palindrome (64788746).

The spelling of 52126621 in words is "fifty-two million, one hundred twenty-six thousand, six hundred twenty-one".