56743451 has 2 divisors, whose sum is σ = 56743452. Its totient is φ = 56743450.

The previous prime is 56743447. The next prime is 56743469. The reversal of 56743451 is 15434765.

56743451 is nontrivially palindromic in base 8.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56743451 - 2² = 56743447 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56743441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28371725 + 28371726.

It is an arithmetic number, because the mean of its divisors is an integer number (28371726).

Almost surely, 2^56743451 is an apocalyptic number.

56743451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56743451 is an equidigital number, since it uses as much as digits as its factorization.

56743451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 56743451 is about 7532.8249017218. The cubic root of 56743451 is about 384.2718592631.

The spelling of 56743451 in words is "fifty-six million, seven hundred forty-three thousand, four hundred fifty-one".