49929999 has 16 divisors (see below), whose sum is σ = 76228608. Its totient is φ = 28477152.

The previous prime is 49929991. The next prime is 49930021. The reversal of 49929999 is 99992994.

It is not a de Polignac number, because 49929999 - 2³ = 49929991 is a prime.

49929999 is a modest number, since divided by 9999 gives 4992 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49929991) 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, 10789 + ... + 14705.

It is an arithmetic number, because the mean of its divisors is an integer number (4764288).

Almost surely, 2^49929999 is an apocalyptic number.

49929999 is a deficient number, since it is larger than the sum of its proper divisors (26298609).

49929999 is a wasteful number, since it uses less digits than its factorization.

49929999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534.

The product of its digits is 4251528, while the sum is 60.

The square root of 49929999 is about 7066.1162600116. The cubic root of 49929999 is about 368.2311456433.

The spelling of 49929999 in words is "forty-nine million, nine hundred twenty-nine thousand, nine hundred ninety-nine".