54555317 has 2 divisors, whose sum is σ = 54555318. Its totient is φ = 54555316.

The previous prime is 54555313. The next prime is 54555359. The reversal of 54555317 is 71355545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49014001 + 5541316 = 7001^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 54555317 - 2² = 54555313 is a prime.

It is a super-2 number, since 2×54555317² = 5952565225940978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54555311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277658 + 27277659.

It is an arithmetic number, because the mean of its divisors is an integer number (27277659).

Almost surely, 2^54555317 is an apocalyptic number.

It is an amenable number.

54555317 is a deficient number, since it is larger than the sum of its proper divisors (1).

54555317 is an equidigital number, since it uses as much as digits as its factorization.

54555317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52500, while the sum is 35.

The square root of 54555317 is about 7386.1571199102. The cubic root of 54555317 is about 379.2675572818.

It can be divided in two parts, 54555 and 317, that added together give a cube (54872 = 38³).

The spelling of 54555317 in words is "fifty-four million, five hundred fifty-five thousand, three hundred seventeen".