55475445056015 has 8 divisors (see below), whose sum is σ = 66577336060560. Its totient is φ = 44375821382592.

The previous prime is 55475445055963. The next prime is 55475445056021. The reversal of 55475445056015 is 51065054457455.

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 55475445056015 - 2¹⁶ = 55475444990479 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 566778950 + ... + 566876819.

It is an arithmetic number, because the mean of its divisors is an integer number (8322167007570).

Almost surely, 2^{55475445056015} is an apocalyptic number.

55475445056015 is a deficient number, since it is larger than the sum of its proper divisors (11101891004545).

55475445056015 is a wasteful number, since it uses less digits than its factorization.

55475445056015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133665561.

The product of its (nonzero) digits is 42000000, while the sum is 56.

The spelling of 55475445056015 in words is "fifty-five trillion, four hundred seventy-five billion, four hundred forty-five million, fifty-six thousand, fifteen".