49557522 has 48 divisors (see below), whose sum is σ = 117292320. Its totient is φ = 13914432.

The previous prime is 49557511. The next prime is 49557551. The reversal of 49557522 is 22575594.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15918 + ... + 18774.

It is an arithmetic number, because the mean of its divisors is an integer number (2443590).

Almost surely, 2^49557522 is an apocalyptic number.

49557522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 49557522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58646160).

49557522 is an abundant number, since it is smaller than the sum of its proper divisors (67734798).

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

49557522 is a wasteful number, since it uses less digits than its factorization.

49557522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935 (or 2928 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 49557522 is about 7039.7103633601. The cubic root of 49557522 is about 367.3131930406.

The spelling of 49557522 in words is "forty-nine million, five hundred fifty-seven thousand, five hundred twenty-two".