49011999 has 8 divisors (see below), whose sum is σ = 65435520. Its totient is φ = 32631576.

The previous prime is 49011997. The next prime is 49012021. The reversal of 49011999 is 99911094.

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

It is not a de Polignac number, because 49011999 - 2¹ = 49011997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49011999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49011997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8019 + ... + 12740.

It is an arithmetic number, because the mean of its divisors is an integer number (8179440).

Almost surely, 2^49011999 is an apocalyptic number.

49011999 is a deficient number, since it is larger than the sum of its proper divisors (16423521).

49011999 is a wasteful number, since it uses less digits than its factorization.

49011999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21549.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 49011999 is about 7000.8570189656. The cubic root of 49011999 is about 365.9604379585.

The spelling of 49011999 in words is "forty-nine million, eleven thousand, nine hundred ninety-nine".