54777066 has 24 divisors (see below), whose sum is σ = 112312032. Its totient is φ = 17810400.

The previous prime is 54777049. The next prime is 54777071. The reversal of 54777066 is 66077745.

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, 7371 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (4679668).

Almost surely, 2^54777066 is an apocalyptic number.

54777066 is an abundant number, since it is smaller than the sum of its proper divisors (57534966).

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

54777066 is a wasteful number, since it uses less digits than its factorization.

54777066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518 (or 5477 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 54777066 is about 7401.1530182803. The cubic root of 54777066 is about 379.7807276060.

The spelling of 54777066 in words is "fifty-four million, seven hundred seventy-seven thousand, sixty-six".