49048981 has 2 divisors, whose sum is σ = 49048982. Its totient is φ = 49048980.

The previous prime is 49048931. The next prime is 49049023. The reversal of 49048981 is 18984094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41486481 + 7562500 = 6441^2 + 2750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49048981 is a prime.

It is a super-2 number, since 2×49048981² = 4811605074276722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49048931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24524490 + 24524491.

It is an arithmetic number, because the mean of its divisors is an integer number (24524491).

Almost surely, 2^49048981 is an apocalyptic number.

It is an amenable number.

49048981 is a deficient number, since it is larger than the sum of its proper divisors (1).

49048981 is an equidigital number, since it uses as much as digits as its factorization.

49048981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 49048981 is about 7003.4977689723. The cubic root of 49048981 is about 366.0524599573.

The spelling of 49048981 in words is "forty-nine million, forty-eight thousand, nine hundred eighty-one".