56748137 has 2 divisors, whose sum is σ = 56748138. Its totient is φ = 56748136.

The previous prime is 56748119. The next prime is 56748151. The reversal of 56748137 is 73184765.

56748137 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., 56010256 + 737881 = 7484^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 56748137 - 2⁸ = 56747881 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56748094 and 56748103.

It is not a weakly prime, because it can be changed into another prime (56748187) 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, 28374068 + 28374069.

It is an arithmetic number, because the mean of its divisors is an integer number (28374069).

Almost surely, 2^56748137 is an apocalyptic number.

It is an amenable number.

56748137 is a deficient number, since it is larger than the sum of its proper divisors (1).

56748137 is an equidigital number, since it uses as much as digits as its factorization.

56748137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 56748137 is about 7533.1359339919. The cubic root of 56748137 is about 384.2824369794.

The spelling of 56748137 in words is "fifty-six million, seven hundred forty-eight thousand, one hundred thirty-seven".