49000049 has 12 divisors (see below), whose sum is σ = 57570228. Its totient is φ = 41580000.

The previous prime is 49000033. The next prime is 49000073. The reversal of 49000049 is 94000094.

It can be written as a sum of positive squares in 2 ways, for example, as 47059600 + 1940449 = 6860^2 + 1393^2 .

It is not a de Polignac number, because 49000049 - 2⁴ = 49000033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48999991 and 49000027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49000079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (4797519).

Almost surely, 2^49000049 is an apocalyptic number.

49000049 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49000049 is a deficient number, since it is larger than the sum of its proper divisors (8570179).

49000049 is a wasteful number, since it uses less digits than its factorization.

49000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016 (or 10009 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 49000049 is about 7000.0034999991. The cubic root of 49000049 is about 365.9306929791.

It can be divided in two parts, 490000 and 49, that multiplied together give a 4-th power (24010000 = 70⁴).

The spelling of 49000049 in words is "forty-nine million, forty-nine", and thus it is an aban number and an uban number.