49305825557 has 2 divisors, whose sum is σ = 49305825558. Its totient is φ = 49305825556.

The previous prime is 49305825539. The next prime is 49305825563. The reversal of 49305825557 is 75552850394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45656578276 + 3649247281 = 213674^2 + 60409^2 .

It is a cyclic number.

It is not a de Polignac number, because 49305825557 - 2¹⁴ = 49305809173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49305825499 and 49305825508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49305821557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24652912778 + 24652912779.

It is an arithmetic number, because the mean of its divisors is an integer number (24652912779).

Almost surely, 2^49305825557 is an apocalyptic number.

It is an amenable number.

49305825557 is a deficient number, since it is larger than the sum of its proper divisors (1).

49305825557 is an equidigital number, since it uses as much as digits as its factorization.

49305825557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 49305825557 in words is "forty-nine billion, three hundred five million, eight hundred twenty-five thousand, five hundred fifty-seven".