55441699 has 4 divisors (see below), whose sum is σ = 56222640. Its totient is φ = 54660760.

The previous prime is 55441697. The next prime is 55441721. The reversal of 55441699 is 99614455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99614455 = 5 ⋅19922891.

It is a cyclic number.

It is not a de Polignac number, because 55441699 - 2¹ = 55441697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55441693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390364 + ... + 390505.

It is an arithmetic number, because the mean of its divisors is an integer number (14055660).

Almost surely, 2^55441699 is an apocalyptic number.

55441699 is a deficient number, since it is larger than the sum of its proper divisors (780941).

55441699 is an equidigital number, since it uses as much as digits as its factorization.

55441699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780940.

The product of its digits is 194400, while the sum is 43.

The square root of 55441699 is about 7445.9182778217. The cubic root of 55441699 is about 381.3105694684.

The spelling of 55441699 in words is "fifty-five million, four hundred forty-one thousand, six hundred ninety-nine".