49555422 has 64 divisors (see below), whose sum is σ = 129945600. Its totient is φ = 13698720.

The previous prime is 49555421. The next prime is 49555427. The reversal of 49555422 is 22455594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49555421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9604 + ... + 13832.

It is an arithmetic number, because the mean of its divisors is an integer number (2030400).

Almost surely, 2^49555422 is an apocalyptic number.

49555422 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 49555422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64972800).

49555422 is an abundant number, since it is smaller than the sum of its proper divisors (80390178).

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

49555422 is a wasteful number, since it uses less digits than its factorization.

49555422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278 (or 4272 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 49555422 is about 7039.5612079163. The cubic root of 49555422 is about 367.3080046684.

The spelling of 49555422 in words is "forty-nine million, five hundred fifty-five thousand, four hundred twenty-two".