54680581 has 2 divisors, whose sum is σ = 54680582. Its totient is φ = 54680580.

The previous prime is 54680533. The next prime is 54680617. The reversal of 54680581 is 18508645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53787556 + 893025 = 7334^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 54680581 - 2⁹ = 54680069 is a prime.

It is a super-2 number, since 2×54680581² = 5979931876995122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54680581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54080581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27340290 + 27340291.

It is an arithmetic number, because the mean of its divisors is an integer number (27340291).

Almost surely, 2^54680581 is an apocalyptic number.

It is an amenable number.

54680581 is a deficient number, since it is larger than the sum of its proper divisors (1).

54680581 is an equidigital number, since it uses as much as digits as its factorization.

54680581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 54680581 is about 7394.6319042938. The cubic root of 54680581 is about 379.5576130691.

The spelling of 54680581 in words is "fifty-four million, six hundred eighty thousand, five hundred eighty-one".