49548557377 has 4 divisors (see below), whose sum is σ = 54052971696. Its totient is φ = 45044143060.

The previous prime is 49548557339. The next prime is 49548557411. The reversal of 49548557377 is 77375584594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49548557377 - 2¹⁵ = 49548524609 is a prime.

It is a super-2 number, since 2×49548557377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49548557077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252207143 + ... + 2252207164.

It is an arithmetic number, because the mean of its divisors is an integer number (13513242924).

Almost surely, 2^49548557377 is an apocalyptic number.

It is an amenable number.

49548557377 is a deficient number, since it is larger than the sum of its proper divisors (4504414319).

49548557377 is a wasteful number, since it uses less digits than its factorization.

49548557377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504414318.

The product of its digits is 148176000, while the sum is 64.

The spelling of 49548557377 in words is "forty-nine billion, five hundred forty-eight million, five hundred fifty-seven thousand, three hundred seventy-seven".