54556913 has 2 divisors, whose sum is σ = 54556914. Its totient is φ = 54556912.

The previous prime is 54556903. The next prime is 54556933. The reversal of 54556913 is 31965545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31449664 + 23107249 = 5608^2 + 4807^2 .

It is a cyclic number.

It is not a de Polignac number, because 54556913 - 2⁶ = 54556849 is a prime.

It is not a weakly prime, because it can be changed into another prime (54556903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27278456 + 27278457.

It is an arithmetic number, because the mean of its divisors is an integer number (27278457).

Almost surely, 2^54556913 is an apocalyptic number.

It is an amenable number.

54556913 is a deficient number, since it is larger than the sum of its proper divisors (1).

54556913 is an equidigital number, since it uses as much as digits as its factorization.

54556913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 54556913 is about 7386.2651590638. The cubic root of 54556913 is about 379.2712556999.

The spelling of 54556913 in words is "fifty-four million, five hundred fifty-six thousand, nine hundred thirteen".