49992161 has 8 divisors (see below), whose sum is σ = 52303104. Its totient is φ = 47733280.

The previous prime is 49992157. The next prime is 49992167. The reversal of 49992161 is 16129994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49992161 - 2² = 49992157 is a prime.

It is a super-2 number, since 2×49992161² = 4998432322899842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (49992167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11045 + ... + 14898.

It is an arithmetic number, because the mean of its divisors is an integer number (6537888).

Almost surely, 2^49992161 is an apocalyptic number.

49992161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49992161 is a deficient number, since it is larger than the sum of its proper divisors (2310943).

49992161 is a wasteful number, since it uses less digits than its factorization.

49992161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26031.

The product of its digits is 34992, while the sum is 41.

The square root of 49992161 is about 7070.5134891322. The cubic root of 49992161 is about 368.3838961092.

The spelling of 49992161 in words is "forty-nine million, nine hundred ninety-two thousand, one hundred sixty-one".