49104221 has 4 divisors (see below), whose sum is σ = 50797500. Its totient is φ = 47410944.

The previous prime is 49104091. The next prime is 49104229. The reversal of 49104221 is 12240194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12240194 = 2 ⋅6120097.

It can be written as a sum of positive squares in 2 ways, for example, as 40780996 + 8323225 = 6386^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 49104221 - 2¹⁸ = 48842077 is a prime.

It is a super-2 number, since 2×49104221² = 4822449040033682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49104229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846596 + ... + 846653.

It is an arithmetic number, because the mean of its divisors is an integer number (12699375).

Almost surely, 2^49104221 is an apocalyptic number.

It is an amenable number.

49104221 is a deficient number, since it is larger than the sum of its proper divisors (1693279).

49104221 is a wasteful number, since it uses less digits than its factorization.

49104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693278.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 49104221 is about 7007.4404028861. The cubic root of 49104221 is about 366.1898270762.

The spelling of 49104221 in words is "forty-nine million, one hundred four thousand, two hundred twenty-one".