55973843 has 4 divisors (see below), whose sum is σ = 59266440. Its totient is φ = 52681248.

The previous prime is 55973839. The next prime is 55973873. The reversal of 55973843 is 34837955.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55973843 - 2² = 55973839 is a prime.

It is a super-2 number, since 2×55973843² = 6266142200377298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55973794 and 55973803.

It is not an unprimeable number, because it can be changed into a prime (55973873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646273 + ... + 1646306.

It is an arithmetic number, because the mean of its divisors is an integer number (14816610).

Almost surely, 2^55973843 is an apocalyptic number.

55973843 is a deficient number, since it is larger than the sum of its proper divisors (3292597).

55973843 is a wasteful number, since it uses less digits than its factorization.

55973843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292596.

The product of its digits is 453600, while the sum is 44.

The square root of 55973843 is about 7481.5668813424. The cubic root of 55973843 is about 382.5266599670.

The spelling of 55973843 in words is "fifty-five million, nine hundred seventy-three thousand, eight hundred forty-three".