55835871 has 64 divisors (see below), whose sum is σ = 99283968. Its totient is φ = 27076608.

The previous prime is 55835863. The next prime is 55835873. The reversal of 55835871 is 17853855.

It is a happy number.

It is not a de Polignac number, because 55835871 - 2³ = 55835863 is a prime.

Its product of digits (168000) is a multiple of the sum of its prime divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55835873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245860 + ... + 246086.

It is an arithmetic number, because the mean of its divisors is an integer number (1551312).

Almost surely, 2^55835871 is an apocalyptic number.

55835871 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55835871 is a deficient number, since it is larger than the sum of its proper divisors (43448097).

55835871 is a wasteful number, since it uses less digits than its factorization.

55835871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 168000, while the sum is 42.

The square root of 55835871 is about 7472.3403964220. The cubic root of 55835871 is about 382.2120999882.

The spelling of 55835871 in words is "fifty-five million, eight hundred thirty-five thousand, eight hundred seventy-one".