48538813 has 2 divisors, whose sum is σ = 48538814. Its totient is φ = 48538812.

The previous prime is 48538781. The next prime is 48538877. The reversal of 48538813 is 31883584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37429924 + 11108889 = 6118^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 48538813 - 2⁵ = 48538781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48598813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24269406 + 24269407.

It is an arithmetic number, because the mean of its divisors is an integer number (24269407).

Almost surely, 2^48538813 is an apocalyptic number.

It is an amenable number.

48538813 is a deficient number, since it is larger than the sum of its proper divisors (1).

48538813 is an equidigital number, since it uses as much as digits as its factorization.

48538813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 40.

The square root of 48538813 is about 6966.9801923071. The cubic root of 48538813 is about 364.7789065733.

The spelling of 48538813 in words is "forty-eight million, five hundred thirty-eight thousand, eight hundred thirteen".