49705656 has 128 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 11911680.

The previous prime is 49705651. The next prime is 49705687. The reversal of 49705656 is 65650794.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49705651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22990 + ... + 25058.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 2^49705656 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 49705656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83462400).

49705656 is an abundant number, since it is smaller than the sum of its proper divisors (117219144).

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

49705656 is a wasteful number, since it uses less digits than its factorization.

49705656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 49705656 is about 7050.2238262342. The cubic root of 49705656 is about 367.6788115900.

The spelling of 49705656 in words is "forty-nine million, seven hundred five thousand, six hundred fifty-six".