56487349 has 2 divisors, whose sum is σ = 56487350. Its totient is φ = 56487348.

The previous prime is 56487329. The next prime is 56487359. The reversal of 56487349 is 94378465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51581124 + 4906225 = 7182^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 56487349 - 2²¹ = 54390197 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56487299 and 56487308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56487329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28243674 + 28243675.

It is an arithmetic number, because the mean of its divisors is an integer number (28243675).

Almost surely, 2^56487349 is an apocalyptic number.

It is an amenable number.

56487349 is a deficient number, since it is larger than the sum of its proper divisors (1).

56487349 is an equidigital number, since it uses as much as digits as its factorization.

56487349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 56487349 is about 7515.8066100719. The cubic root of 56487349 is about 383.6928719155.

The spelling of 56487349 in words is "fifty-six million, four hundred eighty-seven thousand, three hundred forty-nine".