55758361 has 2 divisors, whose sum is σ = 55758362. Its totient is φ = 55758360.

The previous prime is 55758347. The next prime is 55758383. The reversal of 55758361 is 16385755.

55758361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42653961 + 13104400 = 6531^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 55758361 - 2¹³ = 55750169 is a prime.

It is not a weakly prime, because it can be changed into another prime (55758301) 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, 27879180 + 27879181.

It is an arithmetic number, because the mean of its divisors is an integer number (27879181).

Almost surely, 2^55758361 is an apocalyptic number.

It is an amenable number.

55758361 is a deficient number, since it is larger than the sum of its proper divisors (1).

55758361 is an equidigital number, since it uses as much as digits as its factorization.

55758361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 40.

The square root of 55758361 is about 7467.1521345155. The cubic root of 55758361 is about 382.0351589031.

The spelling of 55758361 in words is "fifty-five million, seven hundred fifty-eight thousand, three hundred sixty-one".