49772681 has 6 divisors (see below), whose sum is σ = 57898890. Its totient is φ = 42662256.

The previous prime is 49772677. The next prime is 49772683. The reversal of 49772681 is 18627794.

It can be written as a sum of positive squares in only one way, i.e., 31360000 + 18412681 = 5600^2 + 4291^2 .

It is not a de Polignac number, because 49772681 - 2² = 49772677 is a prime.

It is a super-2 number, since 2×49772681² = 4954639547855522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49772683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507836 + ... + 507933.

It is an arithmetic number, because the mean of its divisors is an integer number (9649815).

Almost surely, 2^49772681 is an apocalyptic number.

It is an amenable number.

49772681 is a deficient number, since it is larger than the sum of its proper divisors (8126209).

49772681 is a wasteful number, since it uses less digits than its factorization.

49772681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015783 (or 1015776 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 49772681 is about 7054.9756200854. The cubic root of 49772681 is about 367.8440014014.

The spelling of 49772681 in words is "forty-nine million, seven hundred seventy-two thousand, six hundred eighty-one".