55306512163 has 8 divisors (see below), whose sum is σ = 64915752032. Its totient is φ = 46124349696.

The previous prime is 55306512143. The next prime is 55306512167. The reversal of 55306512163 is 36121560355.

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 55306512163 - 2³³ = 46716577571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55306512167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106769070 + ... + 106769587.

It is an arithmetic number, because the mean of its divisors is an integer number (8114469004).

Almost surely, 2^55306512163 is an apocalyptic number.

55306512163 is a deficient number, since it is larger than the sum of its proper divisors (9609239869).

55306512163 is a wasteful number, since it uses less digits than its factorization.

55306512163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213538701.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 55306512163 in words is "fifty-five billion, three hundred six million, five hundred twelve thousand, one hundred sixty-three".