54186545802 has 32 divisors (see below), whose sum is σ = 114085749888. Its totient is φ = 17123972096.

The previous prime is 54186545789. The next prime is 54186545839. The reversal of 54186545802 is 20854568145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721823 + ... + 1753010.

It is an arithmetic number, because the mean of its divisors is an integer number (3565179684).

Almost surely, 2^54186545802 is an apocalyptic number.

54186545802 is an abundant number, since it is smaller than the sum of its proper divisors (59899204086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54186545802 is a wasteful number, since it uses less digits than its factorization.

54186545802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474974.

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 54186545802 in words is "fifty-four billion, one hundred eighty-six million, five hundred forty-five thousand, eight hundred two".