48431857 has 2 divisors, whose sum is σ = 48431858. Its totient is φ = 48431856.

The previous prime is 48431849. The next prime is 48431863. The reversal of 48431857 is 75813484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 323761 = 6936^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 48431857 - 2³ = 48431849 is a prime.

It is not a weakly prime, because it can be changed into another prime (40431857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24215928 + 24215929.

It is an arithmetic number, because the mean of its divisors is an integer number (24215929).

Almost surely, 2^48431857 is an apocalyptic number.

It is an amenable number.

48431857 is a deficient number, since it is larger than the sum of its proper divisors (1).

48431857 is an equidigital number, since it uses as much as digits as its factorization.

48431857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 48431857 is about 6959.3000366416. The cubic root of 48431857 is about 364.5107776103.

The spelling of 48431857 in words is "forty-eight million, four hundred thirty-one thousand, eight hundred fifty-seven".