53234417947 has 4 divisors (see below), whose sum is σ = 53234954416. Its totient is φ = 53233881480.

The previous prime is 53234417857. The next prime is 53234418031. The reversal of 53234417947 is 74971443235.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53234417947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53234417947.

It is not an unprimeable number, because it can be changed into a prime (53234411947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71088 + ... + 333949.

It is an arithmetic number, because the mean of its divisors is an integer number (13308738604).

Almost surely, 2^53234417947 is an apocalyptic number.

53234417947 is a deficient number, since it is larger than the sum of its proper divisors (536469).

53234417947 is a wasteful number, since it uses less digits than its factorization.

53234417947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536468.

The product of its digits is 2540160, while the sum is 49.

The spelling of 53234417947 in words is "fifty-three billion, two hundred thirty-four million, four hundred seventeen thousand, nine hundred forty-seven".