55363129 has 4 divisors (see below), whose sum is σ = 55381876. Its totient is φ = 55344384.

The previous prime is 55363123. The next prime is 55363141. The reversal of 55363129 is 92136355.

It is a happy number.

55363129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13307904 + 42055225 = 3648^2 + 6485^2 .

It is a cyclic number.

It is not a de Polignac number, because 55363129 - 2⁵ = 55363097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55363094 and 55363103.

It is not an unprimeable number, because it can be changed into a prime (55363123) 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 3 ways as a sum of consecutive naturals, for example, 3864 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (13845469).

Almost surely, 2^55363129 is an apocalyptic number.

It is an amenable number.

55363129 is a deficient number, since it is larger than the sum of its proper divisors (18747).

55363129 is a wasteful number, since it uses less digits than its factorization.

55363129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18746.

The product of its digits is 24300, while the sum is 34.

The square root of 55363129 is about 7440.6403622269. The cubic root of 55363129 is about 381.1303577284.

The spelling of 55363129 in words is "fifty-five million, three hundred sixty-three thousand, one hundred twenty-nine".