55846840 has 32 divisors (see below), whose sum is σ = 143606880. Its totient is φ = 19147392.

The previous prime is 55846811. The next prime is 55846849. The reversal of 55846840 is 4864855.

55846840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 55846793 and 55846802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55846849) 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, 99447 + ... + 100006.

It is an arithmetic number, because the mean of its divisors is an integer number (4487715).

Almost surely, 2^55846840 is an apocalyptic number.

It is an amenable number.

55846840 is an abundant number, since it is smaller than the sum of its proper divisors (87760040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55846840 is a wasteful number, since it uses less digits than its factorization.

55846840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199471 (or 199467 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 55846840 is about 7473.0743339003. The cubic root of 55846840 is about 382.2371269702.

The spelling of 55846840 in words is "fifty-five million, eight hundred forty-six thousand, eight hundred forty".