48209818 has 4 divisors (see below), whose sum is σ = 72314730. Its totient is φ = 24104908.

The previous prime is 48209789. The next prime is 48209831. The reversal of 48209818 is 81890284.

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., 46144849 + 2064969 = 6793^2 + 1437^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12052453 + ... + 12052456.

Almost surely, 2^48209818 is an apocalyptic number.

48209818 is a deficient number, since it is larger than the sum of its proper divisors (24104912).

48209818 is a wasteful number, since it uses less digits than its factorization.

48209818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104911.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 48209818 is about 6943.3290286432. The cubic root of 48209818 is about 363.9528830452.

The spelling of 48209818 in words is "forty-eight million, two hundred nine thousand, eight hundred eighteen".