55510050577 has 2 divisors, whose sum is σ = 55510050578. Its totient is φ = 55510050576.

The previous prime is 55510050527. The next prime is 55510050619. The reversal of 55510050577 is 77505001555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54508707841 + 1001342736 = 233471^2 + 31644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55510050577 is a prime.

It is a super-2 number, since 2×55510050577² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55510050527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755025288 + 27755025289.

It is an arithmetic number, because the mean of its divisors is an integer number (27755025289).

Almost surely, 2^55510050577 is an apocalyptic number.

It is an amenable number.

55510050577 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510050577 is an equidigital number, since it uses as much as digits as its factorization.

55510050577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153125, while the sum is 40.

The spelling of 55510050577 in words is "fifty-five billion, five hundred ten million, fifty thousand, five hundred seventy-seven".