52552621 has 8 divisors (see below), whose sum is σ = 57391488. Its totient is φ = 47724000.

The previous prime is 52552607. The next prime is 52552637. The reversal of 52552621 is 12625525.

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 52552621 - 2¹¹ = 52550573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52552621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552021) 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, 11601 + ... + 15481.

It is an arithmetic number, because the mean of its divisors is an integer number (7173936).

Almost surely, 2^52552621 is an apocalyptic number.

It is an amenable number.

52552621 is a deficient number, since it is larger than the sum of its proper divisors (4838867).

52552621 is a wasteful number, since it uses less digits than its factorization.

52552621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123.

The product of its digits is 6000, while the sum is 28.

The square root of 52552621 is about 7249.3186576395. The cubic root of 52552621 is about 374.5686797949.

The spelling of 52552621 in words is "fifty-two million, five hundred fifty-two thousand, six hundred twenty-one".