49442977 has 2 divisors, whose sum is σ = 49442978. Its totient is φ = 49442976.

The previous prime is 49442969. The next prime is 49443041. The reversal of 49442977 is 77924494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48986001 + 456976 = 6999^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 49442977 - 2³ = 49442969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49442927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24721488 + 24721489.

It is an arithmetic number, because the mean of its divisors is an integer number (24721489).

Almost surely, 2^49442977 is an apocalyptic number.

It is an amenable number.

49442977 is a deficient number, since it is larger than the sum of its proper divisors (1).

49442977 is an equidigital number, since it uses as much as digits as its factorization.

49442977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 49442977 is about 7031.5700238282. The cubic root of 49442977 is about 367.0299777278.

It can be divided in two parts, 4944 and 2977, that added together give a square (7921 = 89²).

The spelling of 49442977 in words is "forty-nine million, four hundred forty-two thousand, nine hundred seventy-seven".