55641416 has 16 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 26611024.

The previous prime is 55641413. The next prime is 55641473. The reversal of 55641416 is 61414655.

It is not an unprimeable number, because it can be changed into a prime (55641413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151016 + ... + 151383.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^55641416 is an apocalyptic number.

It is an amenable number.

55641416 is a deficient number, since it is larger than the sum of its proper divisors (53222584).

55641416 is a wasteful number, since it uses less digits than its factorization.

55641416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302428 (or 302424 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 55641416 is about 7459.3173950436. The cubic root of 55641416 is about 381.7678843523.

The spelling of 55641416 in words is "fifty-five million, six hundred forty-one thousand, four hundred sixteen".