55995603 has 16 divisors (see below), whose sum is σ = 83214720. Its totient is φ = 33284736.

The previous prime is 55995587. The next prime is 55995617. The reversal of 55995603 is 30659955.

It is not a de Polignac number, because 55995603 - 2⁴ = 55995587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55995673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27925 + ... + 29862.

It is an arithmetic number, because the mean of its divisors is an integer number (5200920).

Almost surely, 2^55995603 is an apocalyptic number.

55995603 is a deficient number, since it is larger than the sum of its proper divisors (27219117).

55995603 is a wasteful number, since it uses less digits than its factorization.

55995603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57826.

The product of its (nonzero) digits is 182250, while the sum is 42.

The square root of 55995603 is about 7483.0209808606. The cubic root of 55995603 is about 382.5762230086.

The spelling of 55995603 in words is "fifty-five million, nine hundred ninety-five thousand, six hundred three".