54639465056 has 24 divisors (see below), whose sum is σ = 117350670024. Its totient is φ = 24836120320.

The previous prime is 54639465037. The next prime is 54639465107. The reversal of 54639465056 is 65056493645.

It is a super-2 number, since 2×54639465056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54639464989 and 54639465007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77612525 + ... + 77613228.

It is an arithmetic number, because the mean of its divisors is an integer number (4889611251).

Almost surely, 2^54639465056 is an apocalyptic number.

It is an amenable number.

54639465056 is an abundant number, since it is smaller than the sum of its proper divisors (62711204968).

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

54639465056 is a wasteful number, since it uses less digits than its factorization.

54639465056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155225774 (or 155225766 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 54639465056 in words is "fifty-four billion, six hundred thirty-nine million, four hundred sixty-five thousand, fifty-six".