54552517 has 2 divisors, whose sum is σ = 54552518. Its totient is φ = 54552516.

The previous prime is 54552503. The next prime is 54552551. The reversal of 54552517 is 71525545.

It is an a-pointer prime, because the next prime (54552551) can be obtained adding 54552517 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40780996 + 13771521 = 6386^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 54552517 - 2¹⁵ = 54519749 is a prime.

It is a super-2 number, since 2×54552517² = 5951954222070578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54552917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27276258 + 27276259.

It is an arithmetic number, because the mean of its divisors is an integer number (27276259).

Almost surely, 2^54552517 is an apocalyptic number.

It is an amenable number.

54552517 is a deficient number, since it is larger than the sum of its proper divisors (1).

54552517 is an equidigital number, since it uses as much as digits as its factorization.

54552517 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 54552517 is about 7385.9675737171. The cubic root of 54552517 is about 379.2610686547.

The spelling of 54552517 in words is "fifty-four million, five hundred fifty-two thousand, five hundred seventeen".