54651457764 has 18 divisors (see below), whose sum is σ = 138146740550. Its totient is φ = 18217152576.

The previous prime is 54651457741. The next prime is 54651457769. The reversal of 54651457764 is 46775415645.

54651457764 is a `hidden beast` number, since 5 + 4 + 6 + 5 + 1 + 4 + 577 + 64 = 666.

54651457764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36679910400 + 17971547364 = 191520^2 + 134058^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 54651457764.

It is not an unprimeable number, because it can be changed into a prime (54651457769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 759047989 + ... + 759048060.

Almost surely, 2^54651457764 is an apocalyptic number.

It is an amenable number.

54651457764 is an abundant number, since it is smaller than the sum of its proper divisors (83495282786).

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

54651457764 is a wasteful number, since it uses less digits than its factorization.

54651457764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518096059 (or 1518096054 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 54651457764 in words is "fifty-four billion, six hundred fifty-one million, four hundred fifty-seven thousand, seven hundred sixty-four".