55845831 has 8 divisors (see below), whose sum is σ = 75510144. Its totient is φ = 36706040.

The previous prime is 55845791. The next prime is 55845841. The reversal of 55845831 is 13854855.

55845831 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 55845831 - 2⁶ = 55845767 is a prime.

It is a super-2 number, since 2×55845831² = 6237513680161122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55845831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55845841) 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, 130881 + ... + 131306.

It is an arithmetic number, because the mean of its divisors is an integer number (9438768).

Almost surely, 2^55845831 is an apocalyptic number.

55845831 is a deficient number, since it is larger than the sum of its proper divisors (19664313).

55845831 is a wasteful number, since it uses less digits than its factorization.

55845831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262261.

The product of its digits is 96000, while the sum is 39.

The square root of 55845831 is about 7473.0068245653. The cubic root of 55845831 is about 382.2348249624.

The spelling of 55845831 in words is "fifty-five million, eight hundred forty-five thousand, eight hundred thirty-one".