56437319 has 2 divisors, whose sum is σ = 56437320. Its totient is φ = 56437318.

The previous prime is 56437301. The next prime is 56437333. The reversal of 56437319 is 91373465.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56437319 is a prime.

It is a super-2 number, since 2×56437319² = 6370341951815522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56437379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28218659 + 28218660.

It is an arithmetic number, because the mean of its divisors is an integer number (28218660).

Almost surely, 2^56437319 is an apocalyptic number.

56437319 is a deficient number, since it is larger than the sum of its proper divisors (1).

56437319 is an equidigital number, since it uses as much as digits as its factorization.

56437319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 56437319 is about 7512.4775540430. The cubic root of 56437319 is about 383.5795614441.

The spelling of 56437319 in words is "fifty-six million, four hundred thirty-seven thousand, three hundred nineteen".