54578131 has 2 divisors, whose sum is σ = 54578132. Its totient is φ = 54578130.

The previous prime is 54578129. The next prime is 54578171. The reversal of 54578131 is 13187545.

It is a happy number.

54578131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54578131 - 2¹ = 54578129 is a prime.

It is a super-2 number, since 2×54578131² = 5957544766906322, which contains 22 as substring.

Together with 54578129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54578101) 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 as a sum of consecutive naturals, namely, 27289065 + 27289066.

It is an arithmetic number, because the mean of its divisors is an integer number (27289066).

Almost surely, 2^54578131 is an apocalyptic number.

54578131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54578131 is an equidigital number, since it uses as much as digits as its factorization.

54578131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 54578131 is about 7387.7013339739. The cubic root of 54578131 is about 379.3204174165.

The spelling of 54578131 in words is "fifty-four million, five hundred seventy-eight thousand, one hundred thirty-one".