49929817 has 8 divisors (see below), whose sum is σ = 57785600. Its totient is φ = 42254784.

The previous prime is 49929797. The next prime is 49929821. The reversal of 49929817 is 71892994.

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

It is a cyclic number.

It is not a de Polignac number, because 49929817 - 2⁷ = 49929689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49929617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44592 + ... + 45697.

It is an arithmetic number, because the mean of its divisors is an integer number (7223200).

Almost surely, 2^49929817 is an apocalyptic number.

It is an amenable number.

49929817 is a deficient number, since it is larger than the sum of its proper divisors (7855783).

49929817 is an equidigital number, since it uses as much as digits as its factorization.

49929817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90375.

The product of its digits is 326592, while the sum is 49.

The square root of 49929817 is about 7066.1033816383. The cubic root of 49929817 is about 368.2306982293.

The spelling of 49929817 in words is "forty-nine million, nine hundred twenty-nine thousand, eight hundred seventeen".