55351166959 has 4 divisors (see below), whose sum is σ = 60383091240. Its totient is φ = 50319242680.

The previous prime is 55351166951. The next prime is 55351167031. The reversal of 55351166959 is 95966115355.

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

It is a cyclic number.

It is not a de Polignac number, because 55351166959 - 2³ = 55351166951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351166951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515962124 + ... + 2515962145.

It is an arithmetic number, because the mean of its divisors is an integer number (15095772810).

Almost surely, 2^55351166959 is an apocalyptic number.

55351166959 is a deficient number, since it is larger than the sum of its proper divisors (5031924281).

55351166959 is a wasteful number, since it uses less digits than its factorization.

55351166959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031924280.

The product of its digits is 5467500, while the sum is 55.

The spelling of 55351166959 in words is "fifty-five billion, three hundred fifty-one million, one hundred sixty-six thousand, nine hundred fifty-nine".