49089128 has 16 divisors (see below), whose sum is σ = 100409760. Its totient is φ = 22313200.

The previous prime is 49089097. The next prime is 49089143. The reversal of 49089128 is 82198094.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278828 + ... + 279003.

It is an arithmetic number, because the mean of its divisors is an integer number (6275610).

Almost surely, 2^49089128 is an apocalyptic number.

It is an amenable number.

49089128 is an abundant number, since it is smaller than the sum of its proper divisors (51320632).

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

49089128 is a wasteful number, since it uses less digits than its factorization.

49089128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557848 (or 557844 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 49089128 is about 7006.3633933732. The cubic root of 49089128 is about 366.1523050513.

The spelling of 49089128 in words is "forty-nine million, eighty-nine thousand, one hundred twenty-eight".