52663839 has 16 divisors (see below), whose sum is σ = 75914880. Its totient is φ = 32361120.

The previous prime is 52663837. The next prime is 52663861. The reversal of 52663839 is 93836625.

It is not a de Polignac number, because 52663839 - 2¹ = 52663837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52663839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52663837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10377 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (4744680).

Almost surely, 2^52663839 is an apocalyptic number.

52663839 is a deficient number, since it is larger than the sum of its proper divisors (23251041).

52663839 is a wasteful number, since it uses less digits than its factorization.

52663839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030.

The product of its digits is 233280, while the sum is 42.

The square root of 52663839 is about 7256.9855311968. The cubic root of 52663839 is about 374.8327289544.

The spelling of 52663839 in words is "fifty-two million, six hundred sixty-three thousand, eight hundred thirty-nine".