55445705 has 48 divisors (see below), whose sum is σ = 83666880. Its totient is φ = 35054208.

The previous prime is 55445693. The next prime is 55445707. The reversal of 55445705 is 50754455.

It is not a de Polignac number, because 55445705 - 2⁶ = 55445641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (55445707) 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 47 ways as a sum of consecutive naturals, for example, 200027 + ... + 200303.

It is an arithmetic number, because the mean of its divisors is an integer number (1743060).

Almost surely, 2^55445705 is an apocalyptic number.

It is an amenable number.

55445705 is a deficient number, since it is larger than the sum of its proper divisors (28221175).

55445705 is a wasteful number, since it uses less digits than its factorization.

55445705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 55445705 is about 7446.1872794068. The cubic root of 55445705 is about 381.3197532499.

The spelling of 55445705 in words is "fifty-five million, four hundred forty-five thousand, seven hundred five".