49926217566 has 32 divisors (see below), whose sum is σ = 100301384448. Its totient is φ = 16567326720.

The previous prime is 49926217541. The next prime is 49926217567. The reversal of 49926217566 is 66571262994.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49926217567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2814561 + ... + 2832243.

It is an arithmetic number, because the mean of its divisors is an integer number (3134418264).

Almost surely, 2^49926217566 is an apocalyptic number.

49926217566 is an abundant number, since it is smaller than the sum of its proper divisors (50375166882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49926217566 is a wasteful number, since it uses less digits than its factorization.

49926217566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19776.

The product of its digits is 9797760, while the sum is 57.

The spelling of 49926217566 in words is "forty-nine billion, nine hundred twenty-six million, two hundred seventeen thousand, five hundred sixty-six".