49210161 has 48 divisors (see below), whose sum is σ = 89707968. Its totient is φ = 23587200.

The previous prime is 49210159. The next prime is 49210169. The reversal of 49210161 is 16101294.

It is not a de Polignac number, because 49210161 - 2¹ = 49210159 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49210169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19851 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (1868916).

Almost surely, 2^49210161 is an apocalyptic number.

It is an amenable number.

49210161 is a deficient number, since it is larger than the sum of its proper divisors (40497807).

49210161 is a wasteful number, since it uses less digits than its factorization.

49210161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2375 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 49210161 is about 7014.9954383449. The cubic root of 49210161 is about 366.4529835765.

The spelling of 49210161 in words is "forty-nine million, two hundred ten thousand, one hundred sixty-one".