55641603 has 8 divisors (see below), whose sum is σ = 74226688. Its totient is φ = 37075464.

The previous prime is 55641583. The next prime is 55641631. The reversal of 55641603 is 30614655.

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

It is not a de Polignac number, because 55641603 - 2⁵ = 55641571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55641503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4950 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (9278336).

Almost surely, 2^55641603 is an apocalyptic number.

55641603 is a deficient number, since it is larger than the sum of its proper divisors (18585085).

55641603 is a wasteful number, since it uses less digits than its factorization.

55641603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55641603 is about 7459.3299296921. The cubic root of 55641603 is about 381.7683120344.

The spelling of 55641603 in words is "fifty-five million, six hundred forty-one thousand, six hundred three".