55433455 has 48 divisors (see below), whose sum is σ = 85954176. Its totient is φ = 33929280.

The previous prime is 55433453. The next prime is 55433461.

55433455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55433455 - 2¹ = 55433453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55433455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55433453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180412 + ... + 180718.

It is an arithmetic number, because the mean of its divisors is an integer number (1790712).

Almost surely, 2^55433455 is an apocalyptic number.

55433455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55433455 is a deficient number, since it is larger than the sum of its proper divisors (30520721).

55433455 is a wasteful number, since it uses less digits than its factorization.

55433455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its digits is 90000, while the sum is 34.

The square root of 55433455 is about 7445.3646653472. The cubic root of 55433455 is about 381.2916686518.

It can be divided in two parts, 5543 and 3455, that added together give a palindrome (8998).

The spelling of 55433455 in words is "fifty-five million, four hundred thirty-three thousand, four hundred fifty-five".