55069405 has 16 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 42398272.

The previous prime is 55069403. The next prime is 55069447. The reversal of 55069405 is 50496055.

It is a happy number.

55069405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55069405 - 2¹ = 55069403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55069403) 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 15 ways as a sum of consecutive naturals, for example, 84792 + ... + 85438.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^55069405 is an apocalyptic number.

It is an amenable number.

55069405 is a deficient number, since it is larger than the sum of its proper divisors (13514915).

55069405 is a wasteful number, since it uses less digits than its factorization.

55069405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55069405 is about 7420.8762959640. The cubic root of 55069405 is about 380.4551448452.

The spelling of 55069405 in words is "fifty-five million, sixty-nine thousand, four hundred five".