54113912778 has 64 divisors (see below), whose sum is σ = 109734912000. Its totient is φ = 17789304000.

The previous prime is 54113912767. The next prime is 54113912779. The reversal of 54113912778 is 87721931145.

54113912778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54113912778² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54113912779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90340123 + ... + 90340721.

It is an arithmetic number, because the mean of its divisors is an integer number (1714608000).

Almost surely, 2^54113912778 is an apocalyptic number.

54113912778 is an abundant number, since it is smaller than the sum of its proper divisors (55620999222).

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

54113912778 is a wasteful number, since it uses less digits than its factorization.

54113912778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its digits is 423360, while the sum is 48.

The spelling of 54113912778 in words is "fifty-four billion, one hundred thirteen million, nine hundred twelve thousand, seven hundred seventy-eight".