56754013 has 2 divisors, whose sum is σ = 56754014. Its totient is φ = 56754012.

The previous prime is 56753999. The next prime is 56754029. The reversal of 56754013 is 31045765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 11957764 = 6693^2 + 3458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56754013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56754713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28377006 + 28377007.

It is an arithmetic number, because the mean of its divisors is an integer number (28377007).

Almost surely, 2^56754013 is an apocalyptic number.

It is an amenable number.

56754013 is a deficient number, since it is larger than the sum of its proper divisors (1).

56754013 is an equidigital number, since it uses as much as digits as its factorization.

56754013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56754013 is about 7533.5259341161. The cubic root of 56754013 is about 384.2957000619.

Adding to 56754013 its reverse (31045765), we get a palindrome (87799778).

The spelling of 56754013 in words is "fifty-six million, seven hundred fifty-four thousand, thirteen".