48909331 has 2 divisors, whose sum is σ = 48909332. Its totient is φ = 48909330.

The previous prime is 48909319. The next prime is 48909337. The reversal of 48909331 is 13390984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48909331 - 2⁵ = 48909299 is a prime.

It is a super-2 number, since 2×48909331² = 4784245317735122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48909337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24454665 + 24454666.

It is an arithmetic number, because the mean of its divisors is an integer number (24454666).

Almost surely, 2^48909331 is an apocalyptic number.

48909331 is a deficient number, since it is larger than the sum of its proper divisors (1).

48909331 is an equidigital number, since it uses as much as digits as its factorization.

48909331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 48909331 is about 6993.5206441391. The cubic root of 48909331 is about 365.7047271628.

The spelling of 48909331 in words is "forty-eight million, nine hundred nine thousand, three hundred thirty-one".