55169829 has 60 divisors (see below), whose sum is σ = 97781068. Its totient is φ = 30792960.

The previous prime is 55169819. The next prime is 55169831. The reversal of 55169829 is 92896155.

55169829 is a `hidden beast` number, since 551 + 6 + 98 + 2 + 9 = 666.

55169829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7144929 + 48024900 = 2673^2 + 6930^2 .

It is not a de Polignac number, because 55169829 - 2⁵ = 55169797 is a prime.

Its product of digits (194400) is a multiple of the sum of its prime factors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55169809) 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 in 59 ways as a sum of consecutive naturals, for example, 127197 + ... + 127629.

Almost surely, 2^55169829 is an apocalyptic number.

It is an amenable number.

55169829 is a deficient number, since it is larger than the sum of its proper divisors (42611239).

55169829 is a wasteful number, since it uses less digits than its factorization.

55169829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 460 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 55169829 is about 7427.6395308335. The cubic root of 55169829 is about 380.6862691052.

The spelling of 55169829 in words is "fifty-five million, one hundred sixty-nine thousand, eight hundred twenty-nine".