56673031 has 2 divisors, whose sum is σ = 56673032. Its totient is φ = 56673030.

The previous prime is 56673017. The next prime is 56673037. The reversal of 56673031 is 13037665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56673031 is a prime.

It is a super-2 number, since 2×56673031² = 6423664885453922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56672984 and 56673002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56673037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28336515 + 28336516.

It is an arithmetic number, because the mean of its divisors is an integer number (28336516).

Almost surely, 2^56673031 is an apocalyptic number.

56673031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56673031 is an equidigital number, since it uses as much as digits as its factorization.

56673031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 56673031 is about 7528.1492413474. The cubic root of 56673031 is about 384.1128298903.

The spelling of 56673031 in words is "fifty-six million, six hundred seventy-three thousand, thirty-one".