44503421 has 4 divisors (see below), whose sum is σ = 44539392. Its totient is φ = 44467452.

The previous prime is 44503387. The next prime is 44503423. The reversal of 44503421 is 12430544.

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 a cyclic number.

It is not a de Polignac number, because 44503421 - 2⁶ = 44503357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44503423) 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, 16061 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (11134848).

Almost surely, 2^44503421 is an apocalyptic number.

It is an amenable number.

44503421 is a deficient number, since it is larger than the sum of its proper divisors (35971).

44503421 is a wasteful number, since it uses less digits than its factorization.

44503421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35970.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 44503421 is about 6671.0884419261. The cubic root of 44503421 is about 354.3761336640.

Adding to 44503421 its reverse (12430544), we get a palindrome (56933965).

The spelling of 44503421 in words is "forty-four million, five hundred three thousand, four hundred twenty-one".