56367877 has 2 divisors, whose sum is σ = 56367878. Its totient is φ = 56367876.

The previous prime is 56367811. The next prime is 56367881. The reversal of 56367877 is 77876365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 20738916 = 5969^2 + 4554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56367877 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56367877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56367887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28183938 + 28183939.

It is an arithmetic number, because the mean of its divisors is an integer number (28183939).

Almost surely, 2^56367877 is an apocalyptic number.

It is an amenable number.

56367877 is a deficient number, since it is larger than the sum of its proper divisors (1).

56367877 is an equidigital number, since it uses as much as digits as its factorization.

56367877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The square root of 56367877 is about 7507.8543539416. The cubic root of 56367877 is about 383.4221746616.

The spelling of 56367877 in words is "fifty-six million, three hundred sixty-seven thousand, eight hundred seventy-seven".