49109000 has 32 divisors (see below), whose sum is σ = 114917400. Its totient is φ = 19643200.

The previous prime is 49108981. The next prime is 49109017. The reversal of 49109000 is 90194.

It can be written as a sum of positive squares in 4 ways, for example, as 6832996 + 42276004 = 2614^2 + 6502^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23555 + ... + 25554.

Almost surely, 2^49109000 is an apocalyptic number.

49109000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49109000 is an abundant number, since it is smaller than the sum of its proper divisors (65808400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49109000 is a wasteful number, since it uses less digits than its factorization.

49109000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49130 (or 49116 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 49109000 is about 7007.7813892843. The cubic root of 49109000 is about 366.2017063294.

Adding to 49109000 its reverse (90194), we get a palindrome (49199194).

The spelling of 49109000 in words is "forty-nine million, one hundred nine thousand".