54514909 has 2 divisors, whose sum is σ = 54514910. Its totient is φ = 54514908.

The previous prime is 54514891. The next prime is 54514919. The reversal of 54514909 is 90941545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29484900 + 25030009 = 5430^2 + 5003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54514909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54514919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27257454 + 27257455.

It is an arithmetic number, because the mean of its divisors is an integer number (27257455).

Almost surely, 2^54514909 is an apocalyptic number.

It is an amenable number.

54514909 is a deficient number, since it is larger than the sum of its proper divisors (1).

54514909 is an equidigital number, since it uses as much as digits as its factorization.

54514909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 54514909 is about 7383.4212259629. The cubic root of 54514909 is about 379.1738955967.

The spelling of 54514909 in words is "fifty-four million, five hundred fourteen thousand, nine hundred nine".