56279777 has 2 divisors, whose sum is σ = 56279778. Its totient is φ = 56279776.

The previous prime is 56279761. The next prime is 56279791. The reversal of 56279777 is 77797265.

56279777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51609856 + 4669921 = 7184^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 56279777 - 2⁴ = 56279761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56279747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28139888 + 28139889.

It is an arithmetic number, because the mean of its divisors is an integer number (28139889).

Almost surely, 2^56279777 is an apocalyptic number.

It is an amenable number.

56279777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56279777 is an equidigital number, since it uses as much as digits as its factorization.

56279777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296540, while the sum is 50.

The square root of 56279777 is about 7501.9848706859. The cubic root of 56279777 is about 383.2223143322. Note that the first 3 decimals are identical.

The spelling of 56279777 in words is "fifty-six million, two hundred seventy-nine thousand, seven hundred seventy-seven".