55405514 has 16 divisors (see below), whose sum is σ = 85344840. Its totient is φ = 26960640.

The previous prime is 55405453. The next prime is 55405517. The reversal of 55405514 is 41550455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20205025 + 35200489 = 4495^2 + 5933^2 .

It is not an unprimeable number, because it can be changed into a prime (55405517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57662 + ... + 58614.

Almost surely, 2^55405514 is an apocalyptic number.

55405514 is a deficient number, since it is larger than the sum of its proper divisors (29939326).

55405514 is a wasteful number, since it uses less digits than its factorization.

55405514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 55405514 is about 7443.4880264564. The cubic root of 55405514 is about 381.2275950643.

Adding to 55405514 its reverse (41550455), we get a palindrome (96955969).

The spelling of 55405514 in words is "fifty-five million, four hundred five thousand, five hundred fourteen".