54976109 has 2 divisors, whose sum is σ = 54976110. Its totient is φ = 54976108.

The previous prime is 54976093. The next prime is 54976123. The reversal of 54976109 is 90167945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 2630884 = 7235^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 54976109 - 2⁴ = 54976093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54976169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27488054 + 27488055.

It is an arithmetic number, because the mean of its divisors is an integer number (27488055).

Almost surely, 2^54976109 is an apocalyptic number.

It is an amenable number.

54976109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54976109 is an equidigital number, since it uses as much as digits as its factorization.

54976109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 54976109 is about 7414.5875812482. The cubic root of 54976109 is about 380.2401736544.

The spelling of 54976109 in words is "fifty-four million, nine hundred seventy-six thousand, one hundred nine".