54251063517 has 64 divisors (see below), whose sum is σ = 87836917760. Its totient is φ = 29133561600.

The previous prime is 54251063507. The next prime is 54251063521. The reversal of 54251063517 is 71536015245.

54251063517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54251063517 - 2¹⁶ = 54250997981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54251063507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3128523 + ... + 3145815.

It is an arithmetic number, because the mean of its divisors is an integer number (1372451840).

Almost surely, 2^54251063517 is an apocalyptic number.

It is an amenable number.

54251063517 is a deficient number, since it is larger than the sum of its proper divisors (33585854243).

54251063517 is a wasteful number, since it uses less digits than its factorization.

54251063517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 54251063517 in words is "fifty-four billion, two hundred fifty-one million, sixty-three thousand, five hundred seventeen".