49973648 has 20 divisors (see below), whose sum is σ = 101920560. Its totient is φ = 23671584.

The previous prime is 49973639. The next prime is 49973653. The reversal of 49973648 is 84637994.

It is a junction number, because it is equal to n+sod(n) for n = 49973596 and 49973605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81890 + ... + 82497.

It is an arithmetic number, because the mean of its divisors is an integer number (5096028).

Almost surely, 2^49973648 is an apocalyptic number.

It is an amenable number.

49973648 is an abundant number, since it is smaller than the sum of its proper divisors (51946912).

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

49973648 is a wasteful number, since it uses less digits than its factorization.

49973648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164414 (or 164408 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 49973648 is about 7069.2041984936. The cubic root of 49973648 is about 368.3384174251.

It can be divided in two parts, 499 and 73648, that added together give a palindrome (74147).

The spelling of 49973648 in words is "forty-nine million, nine hundred seventy-three thousand, six hundred forty-eight".