54777811 has 4 divisors (see below), whose sum is σ = 59757624. Its totient is φ = 49798000.

The previous prime is 54777799. The next prime is 54777851. The reversal of 54777811 is 11877745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54777811 - 2⁷ = 54777683 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54777851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489890 + ... + 2489911.

It is an arithmetic number, because the mean of its divisors is an integer number (14939406).

Almost surely, 2^54777811 is an apocalyptic number.

54777811 is a deficient number, since it is larger than the sum of its proper divisors (4979813).

54777811 is a wasteful number, since it uses less digits than its factorization.

54777811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979812.

The product of its digits is 54880, while the sum is 40.

The square root of 54777811 is about 7401.2033481050. The cubic root of 54777811 is about 379.7824493445.

The spelling of 54777811 in words is "fifty-four million, seven hundred seventy-seven thousand, eight hundred eleven".