55883549 has 2 divisors, whose sum is σ = 55883550. Its totient is φ = 55883548.

The previous prime is 55883521. The next prime is 55883563. The reversal of 55883549 is 94538855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52461049 + 3422500 = 7243^2 + 1850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55883549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55883519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27941774 + 27941775.

It is an arithmetic number, because the mean of its divisors is an integer number (27941775).

Almost surely, 2^55883549 is an apocalyptic number.

It is an amenable number.

55883549 is a deficient number, since it is larger than the sum of its proper divisors (1).

55883549 is an equidigital number, since it uses as much as digits as its factorization.

55883549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 47.

The square root of 55883549 is about 7475.5300146545. The cubic root of 55883549 is about 382.3208587709.

The spelling of 55883549 in words is "fifty-five million, eight hundred eighty-three thousand, five hundred forty-nine".