55254517 has 2 divisors, whose sum is σ = 55254518. Its totient is φ = 55254516.

The previous prime is 55254491. The next prime is 55254553. The reversal of 55254517 is 71545255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 13793796 = 6439^2 + 3714^2 .

It is a cyclic number.

It is not a de Polignac number, because 55254517 - 2¹¹ = 55252469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55254557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627258 + 27627259.

It is an arithmetic number, because the mean of its divisors is an integer number (27627259).

Almost surely, 2^55254517 is an apocalyptic number.

It is an amenable number.

55254517 is a deficient number, since it is larger than the sum of its proper divisors (1).

55254517 is an equidigital number, since it uses as much as digits as its factorization.

55254517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35000, while the sum is 34.

The square root of 55254517 is about 7433.3382137503. The cubic root of 55254517 is about 380.8809593132.

The spelling of 55254517 in words is "fifty-five million, two hundred fifty-four thousand, five hundred seventeen".