49816018 has 16 divisors (see below), whose sum is σ = 90422784. Its totient is φ = 20093760.

The previous prime is 49816009. The next prime is 49816021. The reversal of 49816018 is 81061894.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104418 + ... + 104893.

It is an arithmetic number, because the mean of its divisors is an integer number (5651424).

Almost surely, 2^49816018 is an apocalyptic number.

49816018 is a deficient number, since it is larger than the sum of its proper divisors (40606766).

49816018 is a wasteful number, since it uses less digits than its factorization.

49816018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209337.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 49816018 is about 7058.0463302532. The cubic root of 49816018 is about 367.9507308410.

The spelling of 49816018 in words is "forty-nine million, eight hundred sixteen thousand, eighteen".