54750668638 has 16 divisors (see below), whose sum is σ = 83297289600. Its totient is φ = 26985040600.

The previous prime is 54750668611. The next prime is 54750668657. The reversal of 54750668638 is 83686605745.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863853 + ... + 925063.

It is an arithmetic number, because the mean of its divisors is an integer number (5206080600).

Almost surely, 2^54750668638 is an apocalyptic number.

54750668638 is a deficient number, since it is larger than the sum of its proper divisors (28546620962).

54750668638 is a wasteful number, since it uses less digits than its factorization.

54750668638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67583.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 54750668638 in words is "fifty-four billion, seven hundred fifty million, six hundred sixty-eight thousand, six hundred thirty-eight".