56670538553 has 2 divisors, whose sum is σ = 56670538554. Its totient is φ = 56670538552.

The previous prime is 56670538517. The next prime is 56670538597. The reversal of 56670538553 is 35583507665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34370193664 + 22300344889 = 185392^2 + 149333^2 .

It is a cyclic number.

It is not a de Polignac number, because 56670538553 - 2⁶ = 56670538489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56670538495 and 56670538504.

It is not a weakly prime, because it can be changed into another prime (56670538453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28335269276 + 28335269277.

It is an arithmetic number, because the mean of its divisors is an integer number (28335269277).

Almost surely, 2^56670538553 is an apocalyptic number.

It is an amenable number.

56670538553 is a deficient number, since it is larger than the sum of its proper divisors (1).

56670538553 is an equidigital number, since it uses as much as digits as its factorization.

56670538553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340000, while the sum is 53.

The spelling of 56670538553 in words is "fifty-six billion, six hundred seventy million, five hundred thirty-eight thousand, five hundred fifty-three".