49541220 has 120 divisors (see below), whose sum is σ = 158619384. Its totient is φ = 12939264.

The previous prime is 49541209. The next prime is 49541237. The reversal of 49541220 is 2214594.

It can be written as a sum of positive squares in 4 ways, for example, as 24860196 + 24681024 = 4986^2 + 4968^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85572 + ... + 86148.

Almost surely, 2^49541220 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 49541220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79309692).

49541220 is an abundant number, since it is smaller than the sum of its proper divisors (109078164).

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

49541220 is a wasteful number, since it uses less digits than its factorization.

49541220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 49541220 is about 7038.5524079884. The cubic root of 49541220 is about 367.2729126006.

The spelling of 49541220 in words is "forty-nine million, five hundred forty-one thousand, two hundred twenty".