55456705 has 4 divisors (see below), whose sum is σ = 66548052. Its totient is φ = 44365360.

The previous prime is 55456633. The next prime is 55456711. The reversal of 55456705 is 50765455.

55456705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28291761 + 27164944 = 5319^2 + 5212^2 .

It is not a de Polignac number, because 55456705 - 2¹¹ = 55454657 is a prime.

It is a super-2 number, since 2×55456705² = 6150892258914050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545666 + ... + 5545675.

It is an arithmetic number, because the mean of its divisors is an integer number (16637013).

Almost surely, 2^55456705 is an apocalyptic number.

It is an amenable number.

55456705 is a deficient number, since it is larger than the sum of its proper divisors (11091347).

55456705 is a wasteful number, since it uses less digits than its factorization.

55456705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091346.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 55456705 is about 7446.9258758229. The cubic root of 55456705 is about 381.3449685480.

The spelling of 55456705 in words is "fifty-five million, four hundred fifty-six thousand, seven hundred five".