49051578 has 16 divisors (see below), whose sum is σ = 103266720. Its totient is φ = 15489936.

The previous prime is 49051577. The next prime is 49051619. The reversal of 49051578 is 87515094.

It is not an unprimeable number, because it can be changed into a prime (49051577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215025 + ... + 215252.

It is an arithmetic number, because the mean of its divisors is an integer number (6454170).

Almost surely, 2^49051578 is an apocalyptic number.

49051578 is an abundant number, since it is smaller than the sum of its proper divisors (54215142).

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

49051578 is a wasteful number, since it uses less digits than its factorization.

49051578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430301.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 49051578 is about 7003.6831738736. The cubic root of 49051578 is about 366.0589203121.

The spelling of 49051578 in words is "forty-nine million, fifty-one thousand, five hundred seventy-eight".