48718919 has 4 divisors (see below), whose sum is σ = 49174344. Its totient is φ = 48263496.

The previous prime is 48718913. The next prime is 48718921. The reversal of 48718919 is 91981784.

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 48718919 - 2¹² = 48714823 is a prime.

It is a super-2 number, since 2×48718919² = 4747066137057122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48718913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227552 + ... + 227765.

It is an arithmetic number, because the mean of its divisors is an integer number (12293586).

Almost surely, 2^48718919 is an apocalyptic number.

48718919 is a deficient number, since it is larger than the sum of its proper divisors (455425).

48718919 is a wasteful number, since it uses less digits than its factorization.

48718919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455424.

The product of its digits is 145152, while the sum is 47.

The square root of 48718919 is about 6979.8939103686. The cubic root of 48718919 is about 365.2295272416.

The spelling of 48718919 in words is "forty-eight million, seven hundred eighteen thousand, nine hundred nineteen".