55880318 has 16 divisors (see below), whose sum is σ = 90605760. Its totient is φ = 25694496.

The previous prime is 55880299. The next prime is 55880339. The reversal of 55880318 is 81308855.

It is a super-2 number, since 2×55880318² = 6245219879562248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (5662860).

Almost surely, 2^55880318 is an apocalyptic number.

55880318 is a deficient number, since it is larger than the sum of its proper divisors (34725442).

55880318 is a wasteful number, since it uses less digits than its factorization.

55880318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 55880318 is about 7475.3139064524. The cubic root of 55880318 is about 382.3134904576.

The spelling of 55880318 in words is "fifty-five million, eight hundred eighty thousand, three hundred eighteen".