55451164 has 12 divisors (see below), whose sum is σ = 99104544. Its totient is φ = 27135584.

The previous prime is 55451159. The next prime is 55451191. The reversal of 55451164 is 46115455.

55451164 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 an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 147289 + ... + 147664.

It is an arithmetic number, because the mean of its divisors is an integer number (8258712).

Almost surely, 2^55451164 is an apocalyptic number.

It is an amenable number.

55451164 is a deficient number, since it is larger than the sum of its proper divisors (43653380).

55451164 is a wasteful number, since it uses less digits than its factorization.

55451164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295004 (or 295002 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 55451164 is about 7446.5538338214. The cubic root of 55451164 is about 381.3322673315.

The spelling of 55451164 in words is "fifty-five million, four hundred fifty-one thousand, one hundred sixty-four".