49299815 has 4 divisors (see below), whose sum is σ = 59159784. Its totient is φ = 39439848.

The previous prime is 49299793. The next prime is 49299823. The reversal of 49299815 is 51899294.

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

It is a cyclic number.

It is not a de Polignac number, because 49299815 - 2¹⁴ = 49283431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49299815.

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, 4929977 + ... + 4929986.

It is an arithmetic number, because the mean of its divisors is an integer number (14789946).

Almost surely, 2^49299815 is an apocalyptic number.

49299815 is a deficient number, since it is larger than the sum of its proper divisors (9859969).

49299815 is an equidigital number, since it uses as much as digits as its factorization.

49299815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859968.

The product of its digits is 233280, while the sum is 47.

The square root of 49299815 is about 7021.3826985858. The cubic root of 49299815 is about 366.6753905179.

The spelling of 49299815 in words is "forty-nine million, two hundred ninety-nine thousand, eight hundred fifteen".