49240221 has 16 divisors (see below), whose sum is σ = 67522560. Its totient is φ = 31898880.

The previous prime is 49240201. The next prime is 49240253. The reversal of 49240221 is 12204294.

It is not a de Polignac number, because 49240221 - 2⁵ = 49240189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49240191 and 49240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49240201) 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, 37860 + ... + 39138.

It is an arithmetic number, because the mean of its divisors is an integer number (4220160).

Almost surely, 2^49240221 is an apocalyptic number.

49240221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

49240221 is a deficient number, since it is larger than the sum of its proper divisors (18282339).

49240221 is a wasteful number, since it uses less digits than its factorization.

49240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 49240221 is about 7017.1376643187. The cubic root of 49240221 is about 366.5275842570.

The spelling of 49240221 in words is "forty-nine million, two hundred forty thousand, two hundred twenty-one".