49699855 has 4 divisors (see below), whose sum is σ = 59639832. Its totient is φ = 39759880.

The previous prime is 49699817. The next prime is 49699879. The reversal of 49699855 is 55899694.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49699855 - 2¹⁵ = 49667087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49699796 and 49699805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4969981 + ... + 4969990.

It is an arithmetic number, because the mean of its divisors is an integer number (14909958).

Almost surely, 2^49699855 is an apocalyptic number.

49699855 is a deficient number, since it is larger than the sum of its proper divisors (9939977).

49699855 is an equidigital number, since it uses as much as digits as its factorization.

49699855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939976.

The product of its digits is 3499200, while the sum is 55.

The square root of 49699855 is about 7049.8124088517. The cubic root of 49699855 is about 367.6645074649.

The spelling of 49699855 in words is "forty-nine million, six hundred ninety-nine thousand, eight hundred fifty-five".