55702589 has 2 divisors, whose sum is σ = 55702590. Its totient is φ = 55702588.

The previous prime is 55702579. The next prime is 55702609. The reversal of 55702589 is 98520755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 319225 = 7442^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 55702589 - 2¹² = 55698493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55702529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27851294 + 27851295.

It is an arithmetic number, because the mean of its divisors is an integer number (27851295).

Almost surely, 2^55702589 is an apocalyptic number.

It is an amenable number.

55702589 is a deficient number, since it is larger than the sum of its proper divisors (1).

55702589 is an equidigital number, since it uses as much as digits as its factorization.

55702589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 55702589 is about 7463.4167108637. The cubic root of 55702589 is about 381.9077402076.

The spelling of 55702589 in words is "fifty-five million, seven hundred two thousand, five hundred eighty-nine".