54660777 has 16 divisors (see below), whose sum is σ = 77280000. Its totient is φ = 34269264.

The previous prime is 54660773. The next prime is 54660791. The reversal of 54660777 is 77706645.

It is not a de Polignac number, because 54660777 - 2² = 54660773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54660773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (4830000).

Almost surely, 2^54660777 is an apocalyptic number.

54660777 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

54660777 is a deficient number, since it is larger than the sum of its proper divisors (22619223).

54660777 is a wasteful number, since it uses less digits than its factorization.

54660777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060.

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

The square root of 54660777 is about 7393.2927035253. The cubic root of 54660777 is about 379.5117853030.

The spelling of 54660777 in words is "fifty-four million, six hundred sixty thousand, seven hundred seventy-seven".