55089699 has 16 divisors (see below), whose sum is σ = 84734208. Its totient is φ = 31184352.

The previous prime is 55089689. The next prime is 55089719. The reversal of 55089699 is 99698055.

It is not a de Polignac number, because 55089699 - 2⁵ = 55089667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55089689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10012 + ... + 14505.

It is an arithmetic number, because the mean of its divisors is an integer number (5295888).

Almost surely, 2^55089699 is an apocalyptic number.

55089699 is a deficient number, since it is larger than the sum of its proper divisors (29644509).

55089699 is a wasteful number, since it uses less digits than its factorization.

55089699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24634.

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 55089699 is about 7422.2435287452. The cubic root of 55089699 is about 380.5018738076.

The spelling of 55089699 in words is "fifty-five million, eighty-nine thousand, six hundred ninety-nine".