53938792547 has 4 divisors (see below), whose sum is σ = 54089040240. Its totient is φ = 53788544856.

The previous prime is 53938792543. The next prime is 53938792549. The reversal of 53938792547 is 74529783935.

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 53938792547 - 2² = 53938792543 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 53938792547.

It is not an unprimeable number, because it can be changed into a prime (53938792541) 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, 75123308 + ... + 75124025.

It is an arithmetic number, because the mean of its divisors is an integer number (13522260060).

Almost surely, 2^53938792547 is an apocalyptic number.

53938792547 is a deficient number, since it is larger than the sum of its proper divisors (150247693).

53938792547 is a wasteful number, since it uses less digits than its factorization.

53938792547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150247692.

The product of its digits is 57153600, while the sum is 62.

The spelling of 53938792547 in words is "fifty-three billion, nine hundred thirty-eight million, seven hundred ninety-two thousand, five hundred forty-seven".