55695945 has 32 divisors (see below), whose sum is σ = 91163520. Its totient is φ = 29030400.

The previous prime is 55695931. The next prime is 55695947. The reversal of 55695945 is 54959655.

55695945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55695945 - 2⁹ = 55695433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55695894 and 55695903.

It is not an unprimeable number, because it can be changed into a prime (55695947) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 146766 + ... + 147144.

It is an arithmetic number, because the mean of its divisors is an integer number (2848860).

Almost surely, 2^55695945 is an apocalyptic number.

It is an amenable number.

55695945 is a deficient number, since it is larger than the sum of its proper divisors (35467575).

55695945 is a wasteful number, since it uses less digits than its factorization.

55695945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its digits is 1215000, while the sum is 48.

The square root of 55695945 is about 7462.9715931390. The cubic root of 55695945 is about 381.8925554202.

The spelling of 55695945 in words is "fifty-five million, six hundred ninety-five thousand, nine hundred forty-five".