54780903654 has 16 divisors (see below), whose sum is σ = 110531382192. Its totient is φ = 18098705408.

The previous prime is 54780903623. The next prime is 54780903673. The reversal of 54780903654 is 45630908745.

It is a junction number, because it is equal to n+sod(n) for n = 54780903597 and 54780903606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40398219 + ... + 40399574.

It is an arithmetic number, because the mean of its divisors is an integer number (6908211387).

Almost surely, 2^54780903654 is an apocalyptic number.

54780903654 is an abundant number, since it is smaller than the sum of its proper divisors (55750478538).

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

54780903654 is a wasteful number, since it uses less digits than its factorization.

54780903654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80797911.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 54780903654 in words is "fifty-four billion, seven hundred eighty million, nine hundred three thousand, six hundred fifty-four".