55570201019987 has 16 divisors (see below), whose sum is σ = 58468327192320. Its totient is φ = 52746165964800.

The previous prime is 55570201019969. The next prime is 55570201020007. The reversal of 55570201019987 is 78991010207555.

It is a cyclic number.

It is not a de Polignac number, because 55570201019987 - 2¹⁶ = 55570200954451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55570201019087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40956662 + ... + 42291707.

It is an arithmetic number, because the mean of its divisors is an integer number (3654270449520).

Almost surely, 2^{55570201019987} is an apocalyptic number.

55570201019987 is a deficient number, since it is larger than the sum of its proper divisors (2898126172333).

55570201019987 is a wasteful number, since it uses less digits than its factorization.

55570201019987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83248814.

The product of its (nonzero) digits is 7938000, while the sum is 59.

The spelling of 55570201019987 in words is "fifty-five trillion, five hundred seventy billion, two hundred one million, nineteen thousand, nine hundred eighty-seven".