55379773 has 2 divisors, whose sum is σ = 55379774. Its totient is φ = 55379772.

The previous prime is 55379759. The next prime is 55379789. The reversal of 55379773 is 37797355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34421689 + 20958084 = 5867^2 + 4578^2 .

It is a cyclic number.

It is not a de Polignac number, because 55379773 - 2⁵ = 55379741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55379173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27689886 + 27689887.

It is an arithmetic number, because the mean of its divisors is an integer number (27689887).

Almost surely, 2^55379773 is an apocalyptic number.

It is an amenable number.

55379773 is a deficient number, since it is larger than the sum of its proper divisors (1).

55379773 is an equidigital number, since it uses as much as digits as its factorization.

55379773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 694575, while the sum is 46.

The square root of 55379773 is about 7441.7587303003. The cubic root of 55379773 is about 381.1685473936.

The spelling of 55379773 in words is "fifty-five million, three hundred seventy-nine thousand, seven hundred seventy-three".