55845471 has 16 divisors (see below), whose sum is σ = 82212480. Its totient is φ = 33436320.

The previous prime is 55845451. The next prime is 55845487. The reversal of 55845471 is 17454855.

55845471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55845471 - 2⁹ = 55844959 is a prime.

It is a super-3 number, since 3×55845471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55845421) 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 15 ways as a sum of consecutive naturals, for example, 7456 + ... + 12933.

It is an arithmetic number, because the mean of its divisors is an integer number (5138280).

Almost surely, 2^55845471 is an apocalyptic number.

55845471 is a deficient number, since it is larger than the sum of its proper divisors (26367009).

55845471 is a wasteful number, since it uses less digits than its factorization.

55845471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20486.

The product of its digits is 112000, while the sum is 39.

The square root of 55845471 is about 7472.9827378363. The cubic root of 55845471 is about 382.2340036249.

The spelling of 55845471 in words is "fifty-five million, eight hundred forty-five thousand, four hundred seventy-one".