49065815 has 8 divisors (see below), whose sum is σ = 59343360. Its totient is φ = 38943072.

The previous prime is 49065803. The next prime is 49065827. The reversal of 49065815 is 51856094.

It is an interprime number because it is at equal distance from previous prime (49065803) and next prime (49065827).

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 49065815 - 2²⁰ = 48017239 is a prime.

It is a super-2 number, since 2×49065815² = 4814908403228450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 38000 + ... + 39269.

It is an arithmetic number, because the mean of its divisors is an integer number (7417920).

Almost surely, 2^49065815 is an apocalyptic number.

49065815 is a deficient number, since it is larger than the sum of its proper divisors (10277545).

49065815 is a wasteful number, since it uses less digits than its factorization.

49065815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77401.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 49065815 is about 7004.6994939112. The cubic root of 49065815 is about 366.0943325382.

The spelling of 49065815 in words is "forty-nine million, sixty-five thousand, eight hundred fifteen".