55434405 has 32 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 27164160.

The previous prime is 55434403. The next prime is 55434427. The reversal of 55434405 is 50443455.

It is not a de Polignac number, because 55434405 - 2¹ = 55434403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52321 + ... + 53369.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^55434405 is an apocalyptic number.

It is an amenable number.

55434405 is a deficient number, since it is larger than the sum of its proper divisors (40527195).

55434405 is a wasteful number, since it uses less digits than its factorization.

55434405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 55434405 is about 7445.4284631578. The cubic root of 55434405 is about 381.2938467890.

The spelling of 55434405 in words is "fifty-five million, four hundred thirty-four thousand, four hundred five".