49919808 has 56 divisors (see below), whose sum is σ = 135668512. Its totient is φ = 16187904.

The previous prime is 49919801. The next prime is 49919813. The reversal of 49919808 is 80891994.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49919801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (2422652).

Almost surely, 2^49919808 is an apocalyptic number.

49919808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49919808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67834256).

49919808 is an abundant number, since it is smaller than the sum of its proper divisors (85748704).

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

49919808 is a wasteful number, since it uses less digits than its factorization.

49919808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079 (or 7069 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 49919808 is about 7065.3951057248. The cubic root of 49919808 is about 368.2060912403.

The spelling of 49919808 in words is "forty-nine million, nine hundred nineteen thousand, eight hundred eight".