49863121 has 16 divisors (see below), whose sum is σ = 62668800. Its totient is φ = 38540880.

The previous prime is 49863119. The next prime is 49863127. The reversal of 49863121 is 12136894.

It is not a de Polignac number, because 49863121 - 2¹ = 49863119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49863127) 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, 7230 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (3916800).

Almost surely, 2^49863121 is an apocalyptic number.

It is an amenable number.

49863121 is a deficient number, since it is larger than the sum of its proper divisors (12805679).

49863121 is a wasteful number, since it uses less digits than its factorization.

49863121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244.

The product of its digits is 10368, while the sum is 34.

The square root of 49863121 is about 7061.3823717456. The cubic root of 49863121 is about 368.0666649272.

The spelling of 49863121 in words is "forty-nine million, eight hundred sixty-three thousand, one hundred twenty-one".