55511164 has 6 divisors (see below), whose sum is σ = 97144544. Its totient is φ = 27755580.

The previous prime is 55511161. The next prime is 55511189. The reversal of 55511164 is 46111555.

It is a happy number.

55511164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938892 + ... + 6938899.

Almost surely, 2^55511164 is an apocalyptic number.

It is an amenable number.

55511164 is a deficient number, since it is larger than the sum of its proper divisors (41633380).

55511164 is a wasteful number, since it uses less digits than its factorization.

55511164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877795 (or 13877793 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 55511164 is about 7450.5814538196. The cubic root of 55511164 is about 381.4697558112.

The spelling of 55511164 in words is "fifty-five million, five hundred eleven thousand, one hundred sixty-four".