55137171 has 8 divisors (see below), whose sum is σ = 77840784. Its totient is φ = 34595840.

The previous prime is 55137167. The next prime is 55137193. The reversal of 55137171 is 17173155.

55137171 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 55137171 - 2² = 55137167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55137151) 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, 540510 + ... + 540611.

It is an arithmetic number, because the mean of its divisors is an integer number (9730098).

Almost surely, 2^55137171 is an apocalyptic number.

55137171 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55137171 is a deficient number, since it is larger than the sum of its proper divisors (22703613).

55137171 is a wasteful number, since it uses less digits than its factorization.

55137171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081141.

The product of its digits is 3675, while the sum is 30.

The square root of 55137171 is about 7425.4407949966. The cubic root of 55137171 is about 380.6111380275.

The spelling of 55137171 in words is "fifty-five million, one hundred thirty-seven thousand, one hundred seventy-one".