49998815 has 8 divisors (see below), whose sum is σ = 61934208. Its totient is φ = 38708640.

The previous prime is 49998811. The next prime is 49998821. The reversal of 49998815 is 51889994.

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

It is not a de Polignac number, because 49998815 - 2² = 49998811 is a prime.

It is a super-3 number, since 3×49998815³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998811) 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, 161132 + ... + 161441.

It is an arithmetic number, because the mean of its divisors is an integer number (7741776).

Almost surely, 2^49998815 is an apocalyptic number.

49998815 is a deficient number, since it is larger than the sum of its proper divisors (11935393).

49998815 is a wasteful number, since it uses less digits than its factorization.

49998815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322609.

The product of its digits is 933120, while the sum is 53.

The square root of 49998815 is about 7070.9840192154. The cubic root of 49998815 is about 368.4002394562.

The spelling of 49998815 in words is "forty-nine million, nine hundred ninety-eight thousand, eight hundred fifteen".