54575533557577 has 2 divisors, whose sum is σ = 54575533557578. Its totient is φ = 54575533557576.

The previous prime is 54575533557533. The next prime is 54575533557583. The reversal of 54575533557577 is 77575533557545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38166398986816 + 16409134570761 = 6177896^2 + 4050819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54575533557577 is a prime.

It is a super-2 number, since 2×54575533557577² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54575533587577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27287766778788 + 27287766778789.

It is an arithmetic number, because the mean of its divisors is an integer number (27287766778789).

Almost surely, 2^{54575533557577} is an apocalyptic number.

It is an amenable number.

54575533557577 is a deficient number, since it is larger than the sum of its proper divisors (1).

54575533557577 is an equidigital number, since it uses as much as digits as its factorization.

54575533557577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6752812500, while the sum is 73.

The spelling of 54575533557577 in words is "fifty-four trillion, five hundred seventy-five billion, five hundred thirty-three million, five hundred fifty-seven thousand, five hundred seventy-seven".