55644501 has 8 divisors (see below), whose sum is σ = 80937504. Its totient is φ = 33723920.

The previous prime is 55644499. The next prime is 55644517. The reversal of 55644501 is 10544655.

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

It is a cyclic number.

It is not a de Polignac number, because 55644501 - 2¹ = 55644499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55644551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843066 + ... + 843131.

It is an arithmetic number, because the mean of its divisors is an integer number (10117188).

Almost surely, 2^55644501 is an apocalyptic number.

It is an amenable number.

55644501 is a deficient number, since it is larger than the sum of its proper divisors (25293003).

55644501 is a wasteful number, since it uses less digits than its factorization.

55644501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686211.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55644501 is about 7459.5241805359. The cubic root of 55644501 is about 381.7749398411.

The spelling of 55644501 in words is "fifty-five million, six hundred forty-four thousand, five hundred one".