55883689 has 2 divisors, whose sum is σ = 55883690. Its totient is φ = 55883688.

The previous prime is 55883647. The next prime is 55883749. The reversal of 55883689 is 98638855.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 2301289 = 7320^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 55883689 - 2¹⁷ = 55752617 is a prime.

It is not a weakly prime, because it can be changed into another prime (55883489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27941844 + 27941845.

It is an arithmetic number, because the mean of its divisors is an integer number (27941845).

Almost surely, 2^55883689 is an apocalyptic number.

It is an amenable number.

55883689 is a deficient number, since it is larger than the sum of its proper divisors (1).

55883689 is an equidigital number, since it uses as much as digits as its factorization.

55883689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The square root of 55883689 is about 7475.5393785332. The cubic root of 55883689 is about 382.3211780353.

The spelling of 55883689 in words is "fifty-five million, eight hundred eighty-three thousand, six hundred eighty-nine".