48619999 has 4 divisors (see below), whose sum is σ = 50733936. Its totient is φ = 46506064.

The previous prime is 48619951. The next prime is 48620023. The reversal of 48619999 is 99991684.

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 48619999 - 2¹⁷ = 48488927 is a prime.

It is a Duffinian number.

48619999 is a modest number, since divided by 9999 gives 4861 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48619939) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1056934 + ... + 1056979.

It is an arithmetic number, because the mean of its divisors is an integer number (12683484).

Almost surely, 2^48619999 is an apocalyptic number.

48619999 is a deficient number, since it is larger than the sum of its proper divisors (2113937).

48619999 is a wasteful number, since it uses less digits than its factorization.

48619999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113936.

The product of its digits is 1259712, while the sum is 55.

The square root of 48619999 is about 6972.8042421970. The cubic root of 48619999 is about 364.9821696425.

The spelling of 48619999 in words is "forty-eight million, six hundred nineteen thousand, nine hundred ninety-nine".