55434441 has 4 divisors (see below), whose sum is σ = 73912592. Its totient is φ = 36956292.

The previous prime is 55434427. The next prime is 55434443. The reversal of 55434441 is 14443455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55434441 - 2²⁵ = 21880009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55434399 and 55434408.

It is not an unprimeable number, because it can be changed into a prime (55434443) 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, 9239071 + ... + 9239076.

It is an arithmetic number, because the mean of its divisors is an integer number (18478148).

Almost surely, 2^55434441 is an apocalyptic number.

It is an amenable number.

55434441 is a deficient number, since it is larger than the sum of its proper divisors (18478151).

55434441 is a wasteful number, since it uses less digits than its factorization.

55434441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18478150.

The product of its digits is 19200, while the sum is 30.

The square root of 55434441 is about 7445.4308807483. The cubic root of 55434441 is about 381.2939293285.

Adding to 55434441 its reverse (14443455), we get a palindrome (69877896).

The spelling of 55434441 in words is "fifty-five million, four hundred thirty-four thousand, four hundred forty-one".