49558656 has 128 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 13943808.

The previous prime is 49558637. The next prime is 49558667. The reversal of 49558656 is 65685594.

It is a tau number, because it is divible by the number of its divisors (128).

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

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, 276775 + ... + 276953.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 2^49558656 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 49558656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76377600).

49558656 is an abundant number, since it is smaller than the sum of its proper divisors (103196544).

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

49558656 is a wasteful number, since it uses less digits than its factorization.

49558656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 294 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 49558656 is about 7039.7909059858. The cubic root of 49558656 is about 367.3159947006.

The spelling of 49558656 in words is "forty-nine million, five hundred fifty-eight thousand, six hundred fifty-six".