49991210 has 8 divisors (see below), whose sum is σ = 89984196. Its totient is φ = 19996480.

The previous prime is 49991209. The next prime is 49991219. The reversal of 49991210 is 1219994.

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 20449 = 7069^2 + 143^2 .

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

It is not an unprimeable number, because it can be changed into a prime (49991219) 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, 2499551 + ... + 2499570.

Almost surely, 2^49991210 is an apocalyptic number.

49991210 is a deficient number, since it is larger than the sum of its proper divisors (39992986).

49991210 is a wasteful number, since it uses less digits than its factorization.

49991210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999128.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 49991210 is about 7070.4462376854. The cubic root of 49991210 is about 368.3815601743.

The spelling of 49991210 in words is "forty-nine million, nine hundred ninety-one thousand, two hundred ten".