53624803891 has 4 divisors (see below), whose sum is σ = 53655606784. Its totient is φ = 53594001000.

The previous prime is 53624803867. The next prime is 53624803907. The reversal of 53624803891 is 19830842635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53624803891 - 2¹⁹ = 53624279603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53624803091) 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 3 ways as a sum of consecutive naturals, for example, 15398835 + ... + 15402316.

It is an arithmetic number, because the mean of its divisors is an integer number (13413901696).

Almost surely, 2^53624803891 is an apocalyptic number.

53624803891 is a deficient number, since it is larger than the sum of its proper divisors (30802893).

53624803891 is a wasteful number, since it uses less digits than its factorization.

53624803891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30802892.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 53624803891 in words is "fifty-three billion, six hundred twenty-four million, eight hundred three thousand, eight hundred ninety-one".