49866648 has 64 divisors (see below), whose sum is σ = 134974560. Its totient is φ = 15261696.

The previous prime is 49866643. The next prime is 49866653. The reversal of 49866648 is 84666894.

It is an interprime number because it is at equal distance from previous prime (49866643) and next prime (49866653).

It is a self number, because there is not a number n which added to its sum of digits gives 49866648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49866643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86136 + ... + 86712.

Almost surely, 2^49866648 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 49866648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67487280).

49866648 is an abundant number, since it is smaller than the sum of its proper divisors (85107912).

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

49866648 is a wasteful number, since it uses less digits than its factorization.

49866648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 872 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 49866648 is about 7061.6321059653. The cubic root of 49866648 is about 368.0753429541.

The spelling of 49866648 in words is "forty-nine million, eight hundred sixty-six thousand, six hundred forty-eight".