55235871 has 8 divisors (see below), whose sum is σ = 81830960. Its totient is φ = 36823896.

The previous prime is 55235849. The next prime is 55235879. The reversal of 55235871 is 17853255.

55235871 is a `hidden beast` number, since 55 + 23 + 587 + 1 = 666.

It is not a de Polignac number, because 55235871 - 2⁷ = 55235743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55235879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022860 + ... + 1022913.

It is an arithmetic number, because the mean of its divisors is an integer number (10228870).

Almost surely, 2^55235871 is an apocalyptic number.

55235871 is a deficient number, since it is larger than the sum of its proper divisors (26595089).

55235871 is a wasteful number, since it uses less digits than its factorization.

55235871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045782 (or 2045776 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 55235871 is about 7432.0838934985. The cubic root of 55235871 is about 380.8381108985.

The spelling of 55235871 in words is "fifty-five million, two hundred thirty-five thousand, eight hundred seventy-one".