55644562 has 8 divisors (see below), whose sum is σ = 86345100. Its totient is φ = 26862864.

The previous prime is 55644551. The next prime is 55644583. The reversal of 55644562 is 26544655.

It can be written as a sum of positive squares in 2 ways, for example, as 53421481 + 2223081 = 7309^2 + 1491^2 .

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

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, 479637 + ... + 479752.

Almost surely, 2^55644562 is an apocalyptic number.

55644562 is a deficient number, since it is larger than the sum of its proper divisors (30700538).

55644562 is a wasteful number, since it uses less digits than its factorization.

55644562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959420.

The product of its digits is 144000, while the sum is 37.

The square root of 55644562 is about 7459.5282692674. The cubic root of 55644562 is about 381.7750793473.

The spelling of 55644562 in words is "fifty-five million, six hundred forty-four thousand, five hundred sixty-two".