49618656 has 96 divisors (see below), whose sum is σ = 146714400. Its totient is φ = 16516224.

The previous prime is 49618643. The next prime is 49618661. The reversal of 49618656 is 65681694.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×49618656² = 4924022046492672, which contains 22 as substring.

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, 69630 + ... + 70338.

It is an arithmetic number, because the mean of its divisors is an integer number (1528275).

Almost surely, 2^49618656 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 49618656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73357200).

49618656 is an abundant number, since it is smaller than the sum of its proper divisors (97095744).

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

49618656 is an frugal number, since it uses more digits than its factorization.

49618656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 714 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 49618656 is about 7044.0511071400. The cubic root of 49618656 is about 367.4641697679.

The spelling of 49618656 in words is "forty-nine million, six hundred eighteen thousand, six hundred fifty-six".