49659904 has 60 divisors (see below), whose sum is σ = 113767024. Its totient is φ = 21233664.

The previous prime is 49659899. The next prime is 49659943. The reversal of 49659904 is 40995694.

It is a super-2 number, since 2×49659904² = 4932212130578432, 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 3 ways as a sum of consecutive naturals, for example, 114472 + ... + 114904.

Almost surely, 2^49659904 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 49659904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56883512).

49659904 is an abundant number, since it is smaller than the sum of its proper divisors (64107120).

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

49659904 is an frugal number, since it uses more digits than its factorization.

49659904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 49659904 is about 7046.9783595524. The cubic root of 49659904 is about 367.5659659147.

The spelling of 49659904 in words is "forty-nine million, six hundred fifty-nine thousand, nine hundred four".