48493809 has 112 divisors (see below), whose sum is σ = 96953472. Its totient is φ = 23514624.

The previous prime is 48493793. The next prime is 48493813. The reversal of 48493809 is 90839484.

It is a happy number.

48493809 is a `hidden beast` number, since 484 + 93 + 80 + 9 = 666.

It is not a de Polignac number, because 48493809 - 2⁴ = 48493793 is a prime.

It is a super-2 number, since 2×48493809² = 4703299022656962, which contains 22 as substring.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (48493849) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1127742 + ... + 1127784.

It is an arithmetic number, because the mean of its divisors is an integer number (865656).

Almost surely, 2^48493809 is an apocalyptic number.

It is an amenable number.

48493809 is a deficient number, since it is larger than the sum of its proper divisors (48459663).

48493809 is a wasteful number, since it uses less digits than its factorization.

48493809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 48493809 is about 6963.7496365105. The cubic root of 48493809 is about 364.6661336865. Note that the first 3 decimals are identical.

The spelling of 48493809 in words is "forty-eight million, four hundred ninety-three thousand, eight hundred nine".