48101818 has 4 divisors (see below), whose sum is σ = 72152730. Its totient is φ = 24050908.

The previous prime is 48101803. The next prime is 48101843. The reversal of 48101818 is 81810184.

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

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 173889 = 6923^2 + 417^2 .

It is a super-3 number, since 3×48101818³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 48101818.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12025453 + ... + 12025456.

Almost surely, 2^48101818 is an apocalyptic number.

48101818 is a deficient number, since it is larger than the sum of its proper divisors (24050912).

48101818 is a wasteful number, since it uses less digits than its factorization.

48101818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24050911.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 48101818 is about 6935.5474189137. The cubic root of 48101818 is about 363.6809031770.

The spelling of 48101818 in words is "forty-eight million, one hundred one thousand, eight hundred eighteen".