55169131 has 8 divisors (see below), whose sum is σ = 59517504. Its totient is φ = 50943360.

The previous prime is 55169123. The next prime is 55169161. The reversal of 55169131 is 13196155.

55169131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55169131 - 2³ = 55169123 is a prime.

It is a super-2 number, since 2×55169131² = 6087266030590322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55169093 and 55169102.

It is not an unprimeable number, because it can be changed into a prime (55169161) 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 7 ways as a sum of consecutive naturals, for example, 29715 + ... + 31516.

It is an arithmetic number, because the mean of its divisors is an integer number (7439688).

Almost surely, 2^55169131 is an apocalyptic number.

55169131 is a deficient number, since it is larger than the sum of its proper divisors (4348373).

55169131 is a wasteful number, since it uses less digits than its factorization.

55169131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61301.

The product of its digits is 4050, while the sum is 31.

The square root of 55169131 is about 7427.5925440212. The cubic root of 55169131 is about 380.6846636375.

The spelling of 55169131 in words is "fifty-five million, one hundred sixty-nine thousand, one hundred thirty-one".