56279677 has 2 divisors, whose sum is σ = 56279678. Its totient is φ = 56279676.

The previous prime is 56279651. The next prime is 56279681. The reversal of 56279677 is 77697265.

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., 33802596 + 22477081 = 5814^2 + 4741^2 .

It is a cyclic number.

It is not a de Polignac number, because 56279677 - 2¹⁵ = 56246909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56279677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56279077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28139838 + 28139839.

It is an arithmetic number, because the mean of its divisors is an integer number (28139839).

Almost surely, 2^56279677 is an apocalyptic number.

It is an amenable number.

56279677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56279677 is an equidigital number, since it uses as much as digits as its factorization.

56279677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 56279677 is about 7501.9782057801. The cubic root of 56279677 is about 383.2220873575. Note that the first 3 decimals are identical.

The spelling of 56279677 in words is "fifty-six million, two hundred seventy-nine thousand, six hundred seventy-seven".