49249549553 has 2 divisors, whose sum is σ = 49249549554. Its totient is φ = 49249549552.

The previous prime is 49249549537. The next prime is 49249549571. The reversal of 49249549553 is 35594594294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48987854224 + 261695329 = 221332^2 + 16177^2 .

It is a cyclic number.

It is not a de Polignac number, because 49249549553 - 2⁴ = 49249549537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49249549492 and 49249549501.

It is not a weakly prime, because it can be changed into another prime (49249540553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24624774776 + 24624774777.

It is an arithmetic number, because the mean of its divisors is an integer number (24624774777).

Almost surely, 2^49249549553 is an apocalyptic number.

It is an amenable number.

49249549553 is a deficient number, since it is larger than the sum of its proper divisors (1).

49249549553 is an equidigital number, since it uses as much as digits as its factorization.

49249549553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992000, while the sum is 59.

The spelling of 49249549553 in words is "forty-nine billion, two hundred forty-nine million, five hundred forty-nine thousand, five hundred fifty-three".