54887649938 has 16 divisors (see below), whose sum is σ = 89961745824. Its totient is φ = 24908489760.

The previous prime is 54887649911. The next prime is 54887649967. The reversal of 54887649938 is 83994678845.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008220 + ... + 2035367.

It is an arithmetic number, because the mean of its divisors is an integer number (5622609114).

Almost surely, 2^54887649938 is an apocalyptic number.

54887649938 is a deficient number, since it is larger than the sum of its proper divisors (35074095886).

54887649938 is a wasteful number, since it uses less digits than its factorization.

54887649938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044217.

The product of its digits is 418037760, while the sum is 71.

The spelling of 54887649938 in words is "fifty-four billion, eight hundred eighty-seven million, six hundred forty-nine thousand, nine hundred thirty-eight".