55043316 has 36 divisors (see below), whose sum is σ = 139557600. Its totient is φ = 18292368.

The previous prime is 55043299. The next prime is 55043333. The reversal of 55043316 is 61334055.

It is an interprime number because it is at equal distance from previous prime (55043299) and next prime (55043333).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55043316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10795 + ... + 15053.

It is an arithmetic number, because the mean of its divisors is an integer number (3876600).

Almost surely, 2^55043316 is an apocalyptic number.

It is an amenable number.

55043316 is an abundant number, since it is smaller than the sum of its proper divisors (84514284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55043316 is a wasteful number, since it uses less digits than its factorization.

55043316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55043316 is about 7419.1182764531. The cubic root of 55043316 is about 380.3950554476.

The spelling of 55043316 in words is "fifty-five million, forty-three thousand, three hundred sixteen".