95555557 has 2 divisors, whose sum is σ = 95555558. Its totient is φ = 95555556.

The previous prime is 95555549. The next prime is 95555561. The reversal of 95555557 is 75555559.

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., 93103201 + 2452356 = 9649^2 + 1566^2 .

It is a cyclic number.

It is not a de Polignac number, because 95555557 - 2³ = 95555549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95555507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47777778 + 47777779.

It is an arithmetic number, because the mean of its divisors is an integer number (47777779).

Almost surely, 2^95555557 is an apocalyptic number.

It is an amenable number.

95555557 is a deficient number, since it is larger than the sum of its proper divisors (1).

95555557 is an equidigital number, since it uses as much as digits as its factorization.

95555557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 984375, while the sum is 46.

The square root of 95555557 is about 9775.2522729595. The cubic root of 95555557 is about 457.1779923283.

The spelling of 95555557 in words is "ninety-five million, five hundred fifty-five thousand, five hundred fifty-seven".