5055556004957 has 2 divisors, whose sum is σ = 5055556004958. Its totient is φ = 5055556004956.

The previous prime is 5055556004923. The next prime is 5055556005079. The reversal of 5055556004957 is 7594006555505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4098434242681 + 957121762276 = 2024459^2 + 978326^2 .

It is a cyclic number.

It is not a de Polignac number, because 5055556004957 - 2⁸ = 5055556004701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5055556004357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527778002478 + 2527778002479.

It is an arithmetic number, because the mean of its divisors is an integer number (2527778002479).

Almost surely, 2^{5055556004957} is an apocalyptic number.

It is an amenable number.

5055556004957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055556004957 is an equidigital number, since it uses as much as digits as its factorization.

5055556004957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625000, while the sum is 56.

The spelling of 5055556004957 in words is "five trillion, fifty-five billion, five hundred fifty-six million, four thousand, nine hundred fifty-seven".