54251063516 has 48 divisors (see below), whose sum is σ = 108700812864. Its totient is φ = 23498382336.

The previous prime is 54251063507. The next prime is 54251063521. The reversal of 54251063516 is 61536015245.

It is a self number, because there is not a number n which added to its sum of digits gives 54251063516.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 364541 + ... + 491316.

It is an arithmetic number, because the mean of its divisors is an integer number (2264600268).

Almost surely, 2^54251063516 is an apocalyptic number.

It is an amenable number.

54251063516 is an abundant number, since it is smaller than the sum of its proper divisors (54449749348).

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

54251063516 is a wasteful number, since it uses less digits than its factorization.

54251063516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855950 (or 855948 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 54251063516 in words is "fifty-four billion, two hundred fifty-one million, sixty-three thousand, five hundred sixteen".