48843721 has 2 divisors, whose sum is σ = 48843722. Its totient is φ = 48843720.

The previous prime is 48843709. The next prime is 48843761. The reversal of 48843721 is 12734884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 1729225 = 6864^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 48843721 - 2⁵ = 48843689 is a prime.

It is a super-2 number, since 2×48843721² = 4771418162251682, which contains 22 as substring.

It is equal to p_2935729 and since 48843721 and 2935729 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (48843761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24421860 + 24421861.

It is an arithmetic number, because the mean of its divisors is an integer number (24421861).

Almost surely, 2^48843721 is an apocalyptic number.

It is an amenable number.

48843721 is a deficient number, since it is larger than the sum of its proper divisors (1).

48843721 is an equidigital number, since it uses as much as digits as its factorization.

48843721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 48843721 is about 6988.8282995077. The cubic root of 48843721 is about 365.5411276776.

The spelling of 48843721 in words is "forty-eight million, eight hundred forty-three thousand, seven hundred twenty-one".