54691547 has 2 divisors, whose sum is σ = 54691548. Its totient is φ = 54691546.

The previous prime is 54691531. The next prime is 54691577. The reversal of 54691547 is 74519645.

54691547 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 54691547 - 2⁴ = 54691531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54691577) 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, 27345773 + 27345774.

It is an arithmetic number, because the mean of its divisors is an integer number (27345774).

Almost surely, 2^54691547 is an apocalyptic number.

54691547 is a deficient number, since it is larger than the sum of its proper divisors (1).

54691547 is an equidigital number, since it uses as much as digits as its factorization.

54691547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 54691547 is about 7395.3733509540. The cubic root of 54691547 is about 379.5829843587.

The spelling of 54691547 in words is "fifty-four million, six hundred ninety-one thousand, five hundred forty-seven".