52894821 has 16 divisors (see below), whose sum is σ = 81575424. Its totient is φ = 29860464.

The previous prime is 52894819. The next prime is 52894909. The reversal of 52894821 is 12849825.

52894821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52894821 - 2¹ = 52894819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52894821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52894801) 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 15 ways as a sum of consecutive naturals, for example, 13431 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (5098464).

Almost surely, 2^52894821 is an apocalyptic number.

It is an amenable number.

52894821 is a deficient number, since it is larger than the sum of its proper divisors (28680603).

52894821 is a wasteful number, since it uses less digits than its factorization.

52894821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30440.

The product of its digits is 46080, while the sum is 39.

The square root of 52894821 is about 7272.8825784554. The cubic root of 52894821 is about 375.3799313868.

The spelling of 52894821 in words is "fifty-two million, eight hundred ninety-four thousand, eight hundred twenty-one".