55344355 has 16 divisors (see below), whose sum is σ = 72728928. Its totient is φ = 40096000.

The previous prime is 55344353. The next prime is 55344361.

55344355 = 976² + 977² + ... + 1030².

55344355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55344355 - 2¹ = 55344353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55344355.

It is not an unprimeable number, because it can be changed into a prime (55344353) by changing a digit.

It is a nontrivial repunit in base 86.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13665 + ... + 17245.

It is an arithmetic number, because the mean of its divisors is an integer number (4545558).

Almost surely, 2^55344355 is an apocalyptic number.

55344355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55344355 is a deficient number, since it is larger than the sum of its proper divisors (17384573).

55344355 is a wasteful number, since it uses less digits than its factorization.

55344355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878.

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

The square root of 55344355 is about 7439.3786702923. The cubic root of 55344355 is about 381.0872715901.

It can be divided in two parts, 5534 and 4355, that added together give a palindrome (9889).

The spelling of 55344355 in words is "fifty-five million, three hundred forty-four thousand, three hundred fifty-five".