54747047 has 4 divisors (see below), whose sum is σ = 54763896. Its totient is φ = 54730200.

The previous prime is 54746947. The next prime is 54747053. The reversal of 54747047 is 74074745.

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 54747047 - 2²⁴ = 37969831 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 54747047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54747097) 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, 1829 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (13690974).

Almost surely, 2^54747047 is an apocalyptic number.

54747047 is a deficient number, since it is larger than the sum of its proper divisors (16849).

54747047 is a wasteful number, since it uses less digits than its factorization.

54747047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16848.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 54747047 is about 7399.1247455358. The cubic root of 54747047 is about 379.7113389504.

It can be divided in two parts, 5474 and 7047, that added together give a palindrome (12521).

The spelling of 54747047 in words is "fifty-four million, seven hundred forty-seven thousand, forty-seven".