49005390056 has 64 divisors (see below), whose sum is σ = 107639280000. Its totient is φ = 20477399040.

The previous prime is 49005390041. The next prime is 49005390061. The reversal of 49005390056 is 65009350094.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 49005389995 and 49005390022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4331495 + ... + 4342793.

It is an arithmetic number, because the mean of its divisors is an integer number (1681863750).

Almost surely, 2^49005390056 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 49005390056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53819640000).

49005390056 is an abundant number, since it is smaller than the sum of its proper divisors (58633889944).

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

49005390056 is a wasteful number, since it uses less digits than its factorization.

49005390056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242 (or 13238 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 49005390056 in words is "forty-nine billion, five million, three hundred ninety thousand, fifty-six".