54771678 has 24 divisors (see below), whose sum is σ = 127801128. Its totient is φ = 16852752.

The previous prime is 54771667. The next prime is 54771697. The reversal of 54771678 is 87617745.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116800 + ... + 117267.

It is an arithmetic number, because the mean of its divisors is an integer number (5325047).

Almost surely, 2^54771678 is an apocalyptic number.

54771678 is an abundant number, since it is smaller than the sum of its proper divisors (73029450).

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

54771678 is a wasteful number, since it uses less digits than its factorization.

54771678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234088 (or 234085 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 54771678 is about 7400.7890119905. The cubic root of 54771678 is about 379.7682751582.

The spelling of 54771678 in words is "fifty-four million, seven hundred seventy-one thousand, six hundred seventy-eight".