54587777 has 2 divisors, whose sum is σ = 54587778. Its totient is φ = 54587776.

The previous prime is 54587737. The next prime is 54587783. The reversal of 54587777 is 77778545.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36192256 + 18395521 = 6016^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 54587777 - 2¹⁶ = 54522241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54587707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27293888 + 27293889.

It is an arithmetic number, because the mean of its divisors is an integer number (27293889).

Almost surely, 2^54587777 is an apocalyptic number.

It is an amenable number.

54587777 is a deficient number, since it is larger than the sum of its proper divisors (1).

54587777 is an equidigital number, since it uses as much as digits as its factorization.

54587777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920800, while the sum is 50.

The square root of 54587777 is about 7388.3541468990. The cubic root of 54587777 is about 379.3427628086.

The spelling of 54587777 in words is "fifty-four million, five hundred eighty-seven thousand, seven hundred seventy-seven".