55010489 has 2 divisors, whose sum is σ = 55010490. Its totient is φ = 55010488.

The previous prime is 55010467. The next prime is 55010507. The reversal of 55010489 is 98401055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 840889 = 7360^2 + 917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55010489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55010429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505244 + 27505245.

It is an arithmetic number, because the mean of its divisors is an integer number (27505245).

Almost surely, 2^55010489 is an apocalyptic number.

It is an amenable number.

55010489 is a deficient number, since it is larger than the sum of its proper divisors (1).

55010489 is an equidigital number, since it uses as much as digits as its factorization.

55010489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 55010489 is about 7416.9056216188. The cubic root of 55010489 is about 380.3194197930.

The spelling of 55010489 in words is "fifty-five million, ten thousand, four hundred eighty-nine".