54345209986 has 64 divisors (see below), whose sum is σ = 89015448960. Its totient is φ = 24787993600.

The previous prime is 54345209981. The next prime is 54345210053. The reversal of 54345209986 is 68990254345.

It is not an unprimeable number, because it can be changed into a prime (54345209981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70303896 + ... + 70304668.

It is an arithmetic number, because the mean of its divisors is an integer number (1390866390).

Almost surely, 2^54345209986 is an apocalyptic number.

54345209986 is a deficient number, since it is larger than the sum of its proper divisors (34670238974).

54345209986 is a wasteful number, since it uses less digits than its factorization.

54345209986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 54345209986 in words is "fifty-four billion, three hundred forty-five million, two hundred nine thousand, nine hundred eighty-six".