49549890 has 32 divisors (see below), whose sum is σ = 128068416. Its totient is φ = 12196800.

The previous prime is 49549867. The next prime is 49549897. The reversal of 49549890 is 9894594.

It is not an unprimeable number, because it can be changed into a prime (49549897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63136 + ... + 63915.

It is an arithmetic number, because the mean of its divisors is an integer number (4002138).

Almost surely, 2^49549890 is an apocalyptic number.

49549890 is an abundant number, since it is smaller than the sum of its proper divisors (78518526).

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

49549890 is a wasteful number, since it uses less digits than its factorization.

49549890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127074.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 49549890 is about 7039.1682747325. The cubic root of 49549890 is about 367.2943363121.

The spelling of 49549890 in words is "forty-nine million, five hundred forty-nine thousand, eight hundred ninety".