56423449 has 2 divisors, whose sum is σ = 56423450. Its totient is φ = 56423448.

The previous prime is 56423417. The next prime is 56423467. The reversal of 56423449 is 94432465.

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., 34633225 + 21790224 = 5885^2 + 4668^2 .

It is a cyclic number.

It is not a de Polignac number, because 56423449 - 2⁵ = 56423417 is a prime.

It is not a weakly prime, because it can be changed into another prime (56423489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28211724 + 28211725.

It is an arithmetic number, because the mean of its divisors is an integer number (28211725).

Almost surely, 2^56423449 is an apocalyptic number.

It is an amenable number.

56423449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56423449 is an equidigital number, since it uses as much as digits as its factorization.

56423449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 56423449 is about 7511.5543664411. The cubic root of 56423449 is about 383.5481361124.

The spelling of 56423449 in words is "fifty-six million, four hundred twenty-three thousand, four hundred forty-nine".