54078734812 has 24 divisors (see below), whose sum is σ = 96967291680. Its totient is φ = 26374083840.

The previous prime is 54078734789. The next prime is 54078734837. The reversal of 54078734812 is 21843787045.

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, 768073 + ... + 835519.

It is an arithmetic number, because the mean of its divisors is an integer number (4040303820).

Almost surely, 2^54078734812 is an apocalyptic number.

It is an amenable number.

54078734812 is a deficient number, since it is larger than the sum of its proper divisors (42888556868).

54078734812 is a wasteful number, since it uses less digits than its factorization.

54078734812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72381 (or 72379 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 54078734812 in words is "fifty-four billion, seventy-eight million, seven hundred thirty-four thousand, eight hundred twelve".