49012656 has 160 divisors (see below), whose sum is σ = 160704000. Its totient is φ = 12503040.

The previous prime is 49012631. The next prime is 49012661. The reversal of 49012656 is 65621094.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328870 + ... + 329018.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 2^49012656 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 49012656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80352000).

49012656 is an abundant number, since it is smaller than the sum of its proper divisors (111691344).

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

49012656 is a wasteful number, since it uses less digits than its factorization.

49012656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 49012656 is about 7000.9039416350. The cubic root of 49012656 is about 365.9620731699.

It can be divided in two parts, 4901 and 2656, that added together give a palindrome (7557).

The spelling of 49012656 in words is "forty-nine million, twelve thousand, six hundred fifty-six".