54791547 has 4 divisors (see below), whose sum is σ = 73055400. Its totient is φ = 36527696.

The previous prime is 54791521. The next prime is 54791549. The reversal of 54791547 is 74519745.

It is a happy number.

54791547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54791547 - 2⁷ = 54791419 is a prime.

It is a super-2 number, since 2×54791547² = 6004227245306418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54791499 and 54791508.

It is not an unprimeable number, because it can be changed into a prime (54791549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9131922 + ... + 9131927.

It is an arithmetic number, because the mean of its divisors is an integer number (18263850).

Almost surely, 2^54791547 is an apocalyptic number.

54791547 is a deficient number, since it is larger than the sum of its proper divisors (18263853).

54791547 is a wasteful number, since it uses less digits than its factorization.

54791547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263852.

The product of its digits is 176400, while the sum is 42.

The square root of 54791547 is about 7402.1312471477. The cubic root of 54791547 is about 379.8141912466.

The spelling of 54791547 in words is "fifty-four million, seven hundred ninety-one thousand, five hundred forty-seven".