55876448869 has 4 divisors (see below), whose sum is σ = 55879630720. Its totient is φ = 55873267020.

The previous prime is 55876448863. The next prime is 55876448879. The reversal of 55876448869 is 96884467855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55876448869 - 2⁷ = 55876448741 is a prime.

It is a super-2 number, since 2×55876448869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55876448798 and 55876448807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55876448863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564437 + ... + 1599754.

It is an arithmetic number, because the mean of its divisors is an integer number (13969907680).

Almost surely, 2^55876448869 is an apocalyptic number.

It is an amenable number.

55876448869 is a deficient number, since it is larger than the sum of its proper divisors (3181851).

55876448869 is a wasteful number, since it uses less digits than its factorization.

55876448869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181850.

The product of its digits is 464486400, while the sum is 70.

The spelling of 55876448869 in words is "fifty-five billion, eight hundred seventy-six million, four hundred forty-eight thousand, eight hundred sixty-nine".