675518056553 has 2 divisors, whose sum is σ = 675518056554. Its totient is φ = 675518056552.

The previous prime is 675518056531. The next prime is 675518056559. The reversal of 675518056553 is 355650815576.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408407908624 + 267110147929 = 639068^2 + 516827^2 .

It is a cyclic number.

It is not a de Polignac number, because 675518056553 - 2¹⁶ = 675517991017 is a prime.

It is not a weakly prime, because it can be changed into another prime (675518056559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337759028276 + 337759028277.

It is an arithmetic number, because the mean of its divisors is an integer number (337759028277).

Almost surely, 2^675518056553 is an apocalyptic number.

It is an amenable number.

675518056553 is a deficient number, since it is larger than the sum of its proper divisors (1).

675518056553 is an equidigital number, since it uses as much as digits as its factorization.

675518056553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900000, while the sum is 56.

The spelling of 675518056553 in words is "six hundred seventy-five billion, five hundred eighteen million, fifty-six thousand, five hundred fifty-three".