54402267545677 has 2 divisors, whose sum is σ = 54402267545678. Its totient is φ = 54402267545676.

The previous prime is 54402267545657. The next prime is 54402267545699. The reversal of 54402267545677 is 77654576220445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51125059732041 + 3277207813636 = 7150179^2 + 1810306^2 .

It is a cyclic number.

It is not a de Polignac number, because 54402267545677 - 2³⁹ = 53852511731789 is a prime.

It is a super-2 number, since 2×54402267545677² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54402267545657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27201133772838 + 27201133772839.

It is an arithmetic number, because the mean of its divisors is an integer number (27201133772839).

Almost surely, 2^{54402267545677} is an apocalyptic number.

It is an amenable number.

54402267545677 is a deficient number, since it is larger than the sum of its proper divisors (1).

54402267545677 is an equidigital number, since it uses as much as digits as its factorization.

54402267545677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136000, while the sum is 64.

The spelling of 54402267545677 in words is "fifty-four trillion, four hundred two billion, two hundred sixty-seven million, five hundred forty-five thousand, six hundred seventy-seven".