49662019 has 4 divisors (see below), whose sum is σ = 54176760. Its totient is φ = 45147280.

The previous prime is 49662013. The next prime is 49662043. The reversal of 49662019 is 91026694.

49662019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49662019 - 2²³ = 41273411 is a prime.

It is a super-2 number, since 2×49662019² = 4932632262312722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49662013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257354 + ... + 2257375.

It is an arithmetic number, because the mean of its divisors is an integer number (13544190).

Almost surely, 2^49662019 is an apocalyptic number.

49662019 is a deficient number, since it is larger than the sum of its proper divisors (4514741).

49662019 is a wasteful number, since it uses less digits than its factorization.

49662019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514740.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 49662019 is about 7047.1284222724. The cubic root of 49662019 is about 367.5711840143.

The spelling of 49662019 in words is "forty-nine million, six hundred sixty-two thousand, nineteen".