48543421 has 2 divisors, whose sum is σ = 48543422. Its totient is φ = 48543420.

The previous prime is 48543413. The next prime is 48543479. The reversal of 48543421 is 12434584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 171396 = 6955^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 48543421 - 2³ = 48543413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48543401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24271710 + 24271711.

It is an arithmetic number, because the mean of its divisors is an integer number (24271711).

Almost surely, 2^48543421 is an apocalyptic number.

It is an amenable number.

48543421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48543421 is an equidigital number, since it uses as much as digits as its factorization.

48543421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 31.

The square root of 48543421 is about 6967.3108872793. The cubic root of 48543421 is about 364.7904495558.

The spelling of 48543421 in words is "forty-eight million, five hundred forty-three thousand, four hundred twenty-one".