49442819 has 8 divisors (see below), whose sum is σ = 50938800. Its totient is φ = 47962656.

The previous prime is 49442791. The next prime is 49442821. The reversal of 49442819 is 91824494.

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 49442819 - 2⁸ = 49442563 is a prime.

It is a super-2 number, since 2×49442819² = 4889184701333522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49442839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (6367350).

Almost surely, 2^49442819 is an apocalyptic number.

49442819 is a deficient number, since it is larger than the sum of its proper divisors (1495981).

49442819 is a wasteful number, since it uses less digits than its factorization.

49442819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909.

The product of its digits is 82944, while the sum is 41.

The square root of 49442819 is about 7031.5587887751. The cubic root of 49442819 is about 367.0295867670.

The spelling of 49442819 in words is "forty-nine million, four hundred forty-two thousand, eight hundred nineteen".