55878441044057 has 8 divisors (see below), whose sum is σ = 55910346124992. Its totient is φ = 55846538082000.

The previous prime is 55878441044053. The next prime is 55878441044059. The reversal of 55878441044057 is 75044014487855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55878441044057 - 2² = 55878441044053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55878441044053) 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 7 ways as a sum of consecutive naturals, for example, 53817332 + ... + 54845802.

It is an arithmetic number, because the mean of its divisors is an integer number (6988793265624).

Almost surely, 2^{55878441044057} is an apocalyptic number.

It is an amenable number.

55878441044057 is a deficient number, since it is larger than the sum of its proper divisors (31905080935).

55878441044057 is a wasteful number, since it uses less digits than its factorization.

55878441044057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059439.

The product of its (nonzero) digits is 100352000, while the sum is 62.

The spelling of 55878441044057 in words is "fifty-five trillion, eight hundred seventy-eight billion, four hundred forty-one million, forty-four thousand, fifty-seven".