55362481 has 2 divisors, whose sum is σ = 55362482. Its totient is φ = 55362480.

The previous prime is 55362451. The next prime is 55362499. The reversal of 55362481 is 18426355.

55362481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46362481 + 9000000 = 6809^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 55362481 - 2¹³ = 55354289 is a prime.

It is a super-2 number, since 2×55362481² = 6130008604950722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55362401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27681240 + 27681241.

It is an arithmetic number, because the mean of its divisors is an integer number (27681241).

Almost surely, 2^55362481 is an apocalyptic number.

It is an amenable number.

55362481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55362481 is an equidigital number, since it uses as much as digits as its factorization.

55362481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 55362481 is about 7440.5968174603. The cubic root of 55362481 is about 381.1288707373.

It can be divided in two parts, 55 and 362481, that multiplied together give a triangular number (19936455 = T₆₃₁₄).

The spelling of 55362481 in words is "fifty-five million, three hundred sixty-two thousand, four hundred eighty-one".