55443339 has 16 divisors (see below), whose sum is σ = 93872640. Its totient is φ = 31681800.

The previous prime is 55443329. The next prime is 55443359. The reversal of 55443339 is 93334455.

It is a happy number.

It is not a de Polignac number, because 55443339 - 2¹¹ = 55441291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55443329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146487 + ... + 146864.

It is an arithmetic number, because the mean of its divisors is an integer number (5867040).

Almost surely, 2^55443339 is an apocalyptic number.

55443339 is a deficient number, since it is larger than the sum of its proper divisors (38429301).

55443339 is a wasteful number, since it uses less digits than its factorization.

55443339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293367 (or 293361 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 55443339 is about 7446.0284044583. The cubic root of 55443339 is about 381.3143292328.

The spelling of 55443339 in words is "fifty-five million, four hundred forty-three thousand, three hundred thirty-nine".