49557482220 has 96 divisors (see below), whose sum is σ = 144931627008. Its totient is φ = 12628737792.

The previous prime is 49557482209. The next prime is 49557482251. The reversal of 49557482220 is 2228475594.

It is a super-2 number, since 2×49557482220² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49557482220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1483542 + ... + 1516578.

It is an arithmetic number, because the mean of its divisors is an integer number (1509704448).

Almost surely, 2^49557482220 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 49557482220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72465813504).

49557482220 is an abundant number, since it is smaller than the sum of its proper divisors (95374144788).

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

49557482220 is a wasteful number, since it uses less digits than its factorization.

49557482220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34159 (or 34157 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 49557482220 in words is "forty-nine billion, five hundred fifty-seven million, four hundred eighty-two thousand, two hundred twenty".