49519644 has 48 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 15516160.

The previous prime is 49519627. The next prime is 49519661. The reversal of 49519644 is 44691594.

It is an interprime number because it is at equal distance from previous prime (49519627) and next prime (49519661).

It is a junction number, because it is equal to n+sod(n) for n = 49519596 and 49519605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14764 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^49519644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49519644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61326720).

49519644 is an abundant number, since it is smaller than the sum of its proper divisors (73133796).

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

49519644 is a wasteful number, since it uses less digits than its factorization.

49519644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3128 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 49519644 is about 7037.0195395494. The cubic root of 49519644 is about 367.2195871003.

The spelling of 49519644 in words is "forty-nine million, five hundred nineteen thousand, six hundred forty-four".