49572821505 has 32 divisors (see below), whose sum is σ = 80639838720. Its totient is φ = 25997978880.

The previous prime is 49572821503. The next prime is 49572821513. The reversal of 49572821505 is 50512827594.

It is not a de Polignac number, because 49572821505 - 2¹ = 49572821503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49572821503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4874616 + ... + 4884774.

It is an arithmetic number, because the mean of its divisors is an integer number (2519994960).

Almost surely, 2^49572821505 is an apocalyptic number.

It is an amenable number.

49572821505 is a deficient number, since it is larger than the sum of its proper divisors (31067017215).

49572821505 is a wasteful number, since it uses less digits than its factorization.

49572821505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 49572821505 in words is "forty-nine billion, five hundred seventy-two million, eight hundred twenty-one thousand, five hundred five".