49815450 has 72 divisors (see below), whose sum is σ = 138193536. Its totient is φ = 12852000.

The previous prime is 49815449. The next prime is 49815463. The reversal of 49815450 is 5451894.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12165 + ... + 15735.

Almost surely, 2^49815450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49815450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69096768).

49815450 is an abundant number, since it is smaller than the sum of its proper divisors (88378086).

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

49815450 is a wasteful number, since it uses less digits than its factorization.

49815450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 49815450 is about 7058.0060923748. The cubic root of 49815450 is about 367.9493323831.

The spelling of 49815450 in words is "forty-nine million, eight hundred fifteen thousand, four hundred fifty".