48999851 has 4 divisors (see below), whose sum is σ = 49433592. Its totient is φ = 48566112.

The previous prime is 48999827. The next prime is 48999883. The reversal of 48999851 is 15899984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48999851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48999793 and 48999802.

It is not an unprimeable number, because it can be changed into a prime (48999451) 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, 216701 + ... + 216926.

It is an arithmetic number, because the mean of its divisors is an integer number (12358398).

Almost surely, 2^48999851 is an apocalyptic number.

48999851 is a deficient number, since it is larger than the sum of its proper divisors (433741).

48999851 is a wasteful number, since it uses less digits than its factorization.

48999851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433740.

The product of its digits is 933120, while the sum is 53.

The square root of 48999851 is about 6999.9893571348. The cubic root of 48999851 is about 365.9302000927.

The spelling of 48999851 in words is "forty-eight million, nine hundred ninety-nine thousand, eight hundred fifty-one".