48785858557 has 2 divisors, whose sum is σ = 48785858558. Its totient is φ = 48785858556.

The previous prime is 48785858533. The next prime is 48785858567. The reversal of 48785858557 is 75585858784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48749990436 + 35868121 = 220794^2 + 5989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48785858557 is a prime.

It is a super-2 number, since 2×48785858557² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48785858567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24392929278 + 24392929279.

It is an arithmetic number, because the mean of its divisors is an integer number (24392929279).

Almost surely, 2^48785858557 is an apocalyptic number.

It is an amenable number.

48785858557 is a deficient number, since it is larger than the sum of its proper divisors (1).

48785858557 is an equidigital number, since it uses as much as digits as its factorization.

48785858557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760000, while the sum is 70.

The spelling of 48785858557 in words is "forty-eight billion, seven hundred eighty-five million, eight hundred fifty-eight thousand, five hundred fifty-seven".