52639851 has 16 divisors (see below), whose sum is σ = 77431680. Its totient is φ = 31542720.

The previous prime is 52639831. The next prime is 52639877. The reversal of 52639851 is 15893625.

52639851 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 52639851 - 2¹¹ = 52637803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52639831) 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, 6025 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (4839480).

Almost surely, 2^52639851 is an apocalyptic number.

52639851 is a deficient number, since it is larger than the sum of its proper divisors (24791829).

52639851 is a wasteful number, since it uses less digits than its factorization.

52639851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026.

The product of its digits is 64800, while the sum is 39.

The square root of 52639851 is about 7255.3325905847. The cubic root of 52639851 is about 374.7758091070.

The spelling of 52639851 in words is "fifty-two million, six hundred thirty-nine thousand, eight hundred fifty-one".