53896639 has 8 divisors (see below), whose sum is σ = 55332288. Its totient is φ = 52473120.

The previous prime is 53896637. The next prime is 53896663. The reversal of 53896639 is 93669835.

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 53896639 - 2¹ = 53896637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53896592 and 53896601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53896637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6349 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (6916536).

Almost surely, 2^53896639 is an apocalyptic number.

53896639 is a deficient number, since it is larger than the sum of its proper divisors (1435649).

53896639 is a wasteful number, since it uses less digits than its factorization.

53896639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065.

The product of its digits is 1049760, while the sum is 49.

The square root of 53896639 is about 7341.4330344967. The cubic root of 53896639 is about 377.7350003819.

The spelling of 53896639 in words is "fifty-three million, eight hundred ninety-six thousand, six hundred thirty-nine".