55544459 has 8 divisors (see below), whose sum is σ = 57506880. Its totient is φ = 53614656.

The previous prime is 55544413. The next prime is 55544473. The reversal of 55544459 is 95444555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55544459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55544059) 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, 4664 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (7188360).

Almost surely, 2^55544459 is an apocalyptic number.

55544459 is a deficient number, since it is larger than the sum of its proper divisors (1962421).

55544459 is a wasteful number, since it uses less digits than its factorization.

55544459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16309.

The product of its digits is 360000, while the sum is 41.

The square root of 55544459 is about 7452.8155082492. The cubic root of 55544459 is about 381.5460077224.

The spelling of 55544459 in words is "fifty-five million, five hundred forty-four thousand, four hundred fifty-nine".