49919144 has 16 divisors (see below), whose sum is σ = 102107520. Its totient is φ = 22690480.

The previous prime is 49919143. The next prime is 49919147. The reversal of 49919144 is 44191994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49919143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283544 + ... + 283719.

It is an arithmetic number, because the mean of its divisors is an integer number (6381720).

Almost surely, 2^49919144 is an apocalyptic number.

49919144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49919144 is an abundant number, since it is smaller than the sum of its proper divisors (52188376).

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

49919144 is a wasteful number, since it uses less digits than its factorization.

49919144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567280 (or 567276 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 49919144 is about 7065.3481159813. The cubic root of 49919144 is about 368.2044586891.

The spelling of 49919144 in words is "forty-nine million, nine hundred nineteen thousand, one hundred forty-four".