56462009 has 2 divisors, whose sum is σ = 56462010. Its totient is φ = 56462008.

The previous prime is 56461921. The next prime is 56462017. The reversal of 56462009 is 90026465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51079609 + 5382400 = 7147^2 + 2320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56462009 is a prime.

It is equal to p_3364178 and since 56462009 and 3364178 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56462089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28231004 + 28231005.

It is an arithmetic number, because the mean of its divisors is an integer number (28231005).

Almost surely, 2^56462009 is an apocalyptic number.

It is an amenable number.

56462009 is a deficient number, since it is larger than the sum of its proper divisors (1).

56462009 is an equidigital number, since it uses as much as digits as its factorization.

56462009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 56462009 is about 7514.1206405008. The cubic root of 56462009 is about 383.6354889688.

The spelling of 56462009 in words is "fifty-six million, four hundred sixty-two thousand, nine".