55651444 has 12 divisors (see below), whose sum is σ = 101624544. Its totient is φ = 26615864.

The previous prime is 55651439. The next prime is 55651451. The reversal of 55651444 is 44415655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302362 + ... + 302545.

It is an arithmetic number, because the mean of its divisors is an integer number (8468712).

Almost surely, 2^55651444 is an apocalyptic number.

It is an amenable number.

55651444 is a deficient number, since it is larger than the sum of its proper divisors (45973100).

55651444 is a wasteful number, since it uses less digits than its factorization.

55651444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604934 (or 604932 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 55651444 is about 7459.9895442286. The cubic root of 55651444 is about 381.7908177393.

The spelling of 55651444 in words is "fifty-five million, six hundred fifty-one thousand, four hundred forty-four".