49892669 has 2 divisors, whose sum is σ = 49892670. Its totient is φ = 49892668.

The previous prime is 49892659. The next prime is 49892699. The reversal of 49892669 is 96629894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 2805625 = 6862^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 49892669 - 2⁸ = 49892413 is a prime.

It is a super-2 number, since 2×49892669² = 4978556839887122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49892669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49892659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24946334 + 24946335.

It is an arithmetic number, because the mean of its divisors is an integer number (24946335).

Almost surely, 2^49892669 is an apocalyptic number.

It is an amenable number.

49892669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49892669 is an equidigital number, since it uses as much as digits as its factorization.

49892669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 53.

The square root of 49892669 is about 7063.4742867798. The cubic root of 49892669 is about 368.1393538274.

The spelling of 49892669 in words is "forty-nine million, eight hundred ninety-two thousand, six hundred sixty-nine".