55447059 has 4 divisors (see below), whose sum is σ = 73929416. Its totient is φ = 36964704.

The previous prime is 55447039. The next prime is 55447097. The reversal of 55447059 is 95074455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55447059 - 2¹¹ = 55445011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55447009) 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, 9241174 + ... + 9241179.

It is an arithmetic number, because the mean of its divisors is an integer number (18482354).

Almost surely, 2^55447059 is an apocalyptic number.

55447059 is a deficient number, since it is larger than the sum of its proper divisors (18482357).

55447059 is a wasteful number, since it uses less digits than its factorization.

55447059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18482356.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 55447059 is about 7446.2781978650. The cubic root of 55447059 is about 381.3228572039.

The spelling of 55447059 in words is "fifty-five million, four hundred forty-seven thousand, fifty-nine".