49592172249 has 9 divisors (see below), whose sum is σ = 71634102709. Its totient is φ = 33061002780.

The previous prime is 49592172241. The next prime is 49592172317. The reversal of 49592172249 is 94227129594.

It is a happy number.

The square root of 49592172249 is 222693.

It is a perfect power (a square), and thus also a powerful number.

49592172249 is a `hidden beast` number, since 4 + 9 + 592 + 1 + 7 + 2 + 2 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 49592172249 - 2³ = 49592172241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49592172195 and 49592172204.

It is not an unprimeable number, because it can be changed into a prime (49592172241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 630964 + ... + 705194.

Almost surely, 2^49592172249 is an apocalyptic number.

49592172249 is the 222693-rd square number.

49592172249 is the 111347-th centered octagonal number.

It is an amenable number.

49592172249 is a deficient number, since it is larger than the sum of its proper divisors (22041930460).

49592172249 is an frugal number, since it uses more digits than its factorization.

49592172249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148468 (or 74234 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

It can be divided in two parts, 49592 and 172249, that added together give a square (221841 = 471²).

The spelling of 49592172249 in words is "forty-nine billion, five hundred ninety-two million, one hundred seventy-two thousand, two hundred forty-nine".