55444755 has 16 divisors (see below), whose sum is σ = 93381120. Its totient is φ = 28014048.

The previous prime is 55444733. The next prime is 55444757. The reversal of 55444755 is 55744455.

It is not a de Polignac number, because 55444755 - 2⁶ = 55444691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55444757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96987 + ... + 97556.

It is an arithmetic number, because the mean of its divisors is an integer number (5836320).

Almost surely, 2^55444755 is an apocalyptic number.

55444755 is a deficient number, since it is larger than the sum of its proper divisors (37936365).

55444755 is a wasteful number, since it uses less digits than its factorization.

55444755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194570.

The product of its digits is 280000, while the sum is 39.

The square root of 55444755 is about 7446.1234880977. The cubic root of 55444755 is about 381.3175754087.

The spelling of 55444755 in words is "fifty-five million, four hundred forty-four thousand, seven hundred fifty-five".