55644622 has 8 divisors (see below), whose sum is σ = 91054872. Its totient is φ = 25293000.

The previous prime is 55644607. The next prime is 55644629. The reversal of 55644622 is 22644655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55644629) 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, 1264629 + ... + 1264672.

It is an arithmetic number, because the mean of its divisors is an integer number (11381859).

Almost surely, 2^55644622 is an apocalyptic number.

55644622 is a deficient number, since it is larger than the sum of its proper divisors (35410250).

55644622 is a wasteful number, since it uses less digits than its factorization.

55644622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529314.

The product of its digits is 57600, while the sum is 34.

The square root of 55644622 is about 7459.5322909684. The cubic root of 55644622 is about 381.7752165665.

The spelling of 55644622 in words is "fifty-five million, six hundred forty-four thousand, six hundred twenty-two".