48437989 has 2 divisors, whose sum is σ = 48437990. Its totient is φ = 48437988.

The previous prime is 48437971. The next prime is 48437999. The reversal of 48437989 is 98973484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36397089 + 12040900 = 6033^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 48437989 - 2⁷ = 48437861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48437929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24218994 + 24218995.

It is an arithmetic number, because the mean of its divisors is an integer number (24218995).

Almost surely, 2^48437989 is an apocalyptic number.

It is an amenable number.

48437989 is a deficient number, since it is larger than the sum of its proper divisors (1).

48437989 is an equidigital number, since it uses as much as digits as its factorization.

48437989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 48437989 is about 6959.7405842459. The cubic root of 48437989 is about 364.5261606377.

The spelling of 48437989 in words is "forty-eight million, four hundred thirty-seven thousand, nine hundred eighty-nine".