55054505 has 16 divisors (see below), whose sum is σ = 72273600. Its totient is φ = 39927360.

The previous prime is 55054501. The next prime is 55054507. The reversal of 55054505 is 50545055.

It is not a de Polignac number, because 55054505 - 2² = 55054501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55054501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21851 + ... + 24239.

It is an arithmetic number, because the mean of its divisors is an integer number (4517100).

Almost surely, 2^55054505 is an apocalyptic number.

55054505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55054505 is a deficient number, since it is larger than the sum of its proper divisors (17219095).

55054505 is a wasteful number, since it uses less digits than its factorization.

55054505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55054505 is about 7419.8723034834. The cubic root of 55054505 is about 380.4208287974.

It can be divided in two parts, 550 and 54505, that added together give a palindrome (55055).

The spelling of 55054505 in words is "fifty-five million, fifty-four thousand, five hundred five".