49912018 has 8 divisors (see below), whose sum is σ = 80627148. Its totient is φ = 23036304.

The previous prime is 49912007. The next prime is 49912019. The reversal of 49912018 is 81021994.

It can be written as a sum of positive squares in 2 ways, for example, as 45738169 + 4173849 = 6763^2 + 2043^2 .

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 (49912019) 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, 959821 + ... + 959872.

Almost surely, 2^49912018 is an apocalyptic number.

49912018 is a deficient number, since it is larger than the sum of its proper divisors (30715130).

49912018 is a wasteful number, since it uses less digits than its factorization.

49912018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919708.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 49912018 is about 7064.8438057752. The cubic root of 49912018 is about 368.1869373561.

The spelling of 49912018 in words is "forty-nine million, nine hundred twelve thousand, eighteen".