55182481 has 2 divisors, whose sum is σ = 55182482. Its totient is φ = 55182480.

The previous prime is 55182469. The next prime is 55182529. The reversal of 55182481 is 18428155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40436881 + 14745600 = 6359^2 + 3840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55182481 is a prime.

It is a super-2 number, since 2×55182481² = 6090212418630722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55182181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27591240 + 27591241.

It is an arithmetic number, because the mean of its divisors is an integer number (27591241).

Almost surely, 2^55182481 is an apocalyptic number.

It is an amenable number.

55182481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55182481 is an equidigital number, since it uses as much as digits as its factorization.

55182481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 34.

The square root of 55182481 is about 7428.4911657752. The cubic root of 55182481 is about 380.7153675855.

The spelling of 55182481 in words is "fifty-five million, one hundred eighty-two thousand, four hundred eighty-one".