55164603 has 32 divisors (see below), whose sum is σ = 83704320. Its totient is φ = 32060160.

The previous prime is 55164601. The next prime is 55164607. The reversal of 55164603 is 30646155.

It is not a de Polignac number, because 55164603 - 2¹ = 55164601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55164601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79488 + ... + 80178.

It is an arithmetic number, because the mean of its divisors is an integer number (2615760).

Almost surely, 2^55164603 is an apocalyptic number.

55164603 is a deficient number, since it is larger than the sum of its proper divisors (28539717).

55164603 is a wasteful number, since it uses less digits than its factorization.

55164603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

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

The square root of 55164603 is about 7427.2877283703. The cubic root of 55164603 is about 380.6742484694.

The spelling of 55164603 in words is "fifty-five million, one hundred sixty-four thousand, six hundred three".