54920947 has 2 divisors, whose sum is σ = 54920948. Its totient is φ = 54920946.

The previous prime is 54920927. The next prime is 54920951. The reversal of 54920947 is 74902945.

54920947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54920947 - 2⁷ = 54920819 is a prime.

It is not a weakly prime, because it can be changed into another prime (54920927) 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, 27460473 + 27460474.

It is an arithmetic number, because the mean of its divisors is an integer number (27460474).

Almost surely, 2^54920947 is an apocalyptic number.

54920947 is a deficient number, since it is larger than the sum of its proper divisors (1).

54920947 is an equidigital number, since it uses as much as digits as its factorization.

54920947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 54920947 is about 7410.8668183958. The cubic root of 54920947 is about 380.1129558017.

The spelling of 54920947 in words is "fifty-four million, nine hundred twenty thousand, nine hundred forty-seven".