48739661 has 2 divisors, whose sum is σ = 48739662. Its totient is φ = 48739660.

The previous prime is 48739643. The next prime is 48739681. The reversal of 48739661 is 16693784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 2418025 = 6806^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 48739661 - 2¹⁰ = 48738637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48739601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24369830 + 24369831.

It is an arithmetic number, because the mean of its divisors is an integer number (24369831).

Almost surely, 2^48739661 is an apocalyptic number.

It is an amenable number.

48739661 is a deficient number, since it is larger than the sum of its proper divisors (1).

48739661 is an equidigital number, since it uses as much as digits as its factorization.

48739661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 48739661 is about 6981.3795914561. The cubic root of 48739661 is about 365.2813518453.

The spelling of 48739661 in words is "forty-eight million, seven hundred thirty-nine thousand, six hundred sixty-one".