54881047 has 4 divisors (see below), whose sum is σ = 59102680. Its totient is φ = 50659416.

The previous prime is 54881017. The next prime is 54881051. The reversal of 54881047 is 74018845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74018845 = 5 ⋅14803769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54881047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54880997 and 54881015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54881017) 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, 2110797 + ... + 2110822.

It is an arithmetic number, because the mean of its divisors is an integer number (14775670).

Almost surely, 2^54881047 is an apocalyptic number.

54881047 is a deficient number, since it is larger than the sum of its proper divisors (4221633).

54881047 is a wasteful number, since it uses less digits than its factorization.

54881047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221632.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 54881047 is about 7408.1743365015. The cubic root of 54881047 is about 380.0208829705.

The spelling of 54881047 in words is "fifty-four million, eight hundred eighty-one thousand, forty-seven".