55876543 has 4 divisors (see below), whose sum is σ = 56016288. Its totient is φ = 55736800.

The previous prime is 55876537. The next prime is 55876553. The reversal of 55876543 is 34567855.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55876543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55876543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55876553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69271 + ... + 70072.

It is an arithmetic number, because the mean of its divisors is an integer number (14004072).

Almost surely, 2^55876543 is an apocalyptic number.

55876543 is a deficient number, since it is larger than the sum of its proper divisors (139745).

55876543 is a wasteful number, since it uses less digits than its factorization.

55876543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139744.

The product of its digits is 504000, while the sum is 43.

The square root of 55876543 is about 7475.0614044301. The cubic root of 55876543 is about 382.3048811894.

The spelling of 55876543 in words is "fifty-five million, eight hundred seventy-six thousand, five hundred forty-three".