48893909 has 4 divisors (see below), whose sum is σ = 50215404. Its totient is φ = 47572416.

The previous prime is 48893893. The next prime is 48893939. The reversal of 48893909 is 90939884.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42289009 + 6604900 = 6503^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 48893909 - 2⁴ = 48893893 is a prime.

It is a super-2 number, since 2×48893909² = 4781228674600562, 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 (48893939) 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, 660692 + ... + 660765.

It is an arithmetic number, because the mean of its divisors is an integer number (12553851).

Almost surely, 2^48893909 is an apocalyptic number.

It is an amenable number.

48893909 is a deficient number, since it is larger than the sum of its proper divisors (1321495).

48893909 is a wasteful number, since it uses less digits than its factorization.

48893909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321494.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 48893909 is about 6992.4179651963. The cubic root of 48893909 is about 365.6662853421. Note that the first 3 decimals are identical.

The spelling of 48893909 in words is "forty-eight million, eight hundred ninety-three thousand, nine hundred nine".