49998105 has 24 divisors (see below), whose sum is σ = 91762632. Its totient is φ = 25096704.

The previous prime is 49998103. The next prime is 49998107. The reversal of 49998105 is 50189994.

It is an interprime number because it is at equal distance from previous prime (49998103) and next prime (49998107).

It can be written as a sum of positive squares in 4 ways, for example, as 23155344 + 26842761 = 4812^2 + 5181^2 .

It is not a de Polignac number, because 49998105 - 2¹ = 49998103 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49998103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31914 + ... + 33443.

It is an arithmetic number, because the mean of its divisors is an integer number (3823443).

Almost surely, 2^49998105 is an apocalyptic number.

49998105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49998105 is a deficient number, since it is larger than the sum of its proper divisors (41764527).

49998105 is a wasteful number, since it uses less digits than its factorization.

49998105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65385 (or 65382 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 49998105 is about 7070.9338138608. The cubic root of 49998105 is about 368.3984956454.

The spelling of 49998105 in words is "forty-nine million, nine hundred ninety-eight thousand, one hundred five".