49065919 has 8 divisors (see below), whose sum is σ = 56504448. Its totient is φ = 41734680.

The previous prime is 49065911. The next prime is 49065931. The reversal of 49065919 is 91956094.

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 49065919 - 2³ = 49065911 is a prime.

It is a super-2 number, since 2×49065919² = 4814928814629122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49065911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25837 + ... + 27670.

It is an arithmetic number, because the mean of its divisors is an integer number (7063056).

Almost surely, 2^49065919 is an apocalyptic number.

49065919 is a deficient number, since it is larger than the sum of its proper divisors (7438529).

49065919 is a wasteful number, since it uses less digits than its factorization.

49065919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53645.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 49065919 is about 7004.7069174948. The cubic root of 49065919 is about 366.0945911961.

The spelling of 49065919 in words is "forty-nine million, sixty-five thousand, nine hundred nineteen".