49351842 has 36 divisors (see below), whose sum is σ = 111065526. Its totient is φ = 16446240.

The previous prime is 49351817. The next prime is 49351847. The reversal of 49351842 is 24815394.

It can be written as a sum of positive squares in only one way, i.e., 43046721 + 6305121 = 6561^2 + 2511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49351797 and 49351806.

It is not an unprimeable number, because it can be changed into a prime (49351847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11242 + ... + 15002.

Almost surely, 2^49351842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49351842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55532763).

49351842 is an abundant number, since it is smaller than the sum of its proper divisors (61713684).

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

49351842 is an frugal number, since it uses more digits than its factorization.

49351842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3766 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 49351842 is about 7025.0866186831. The cubic root of 49351842 is about 366.8043315947.

The spelling of 49351842 in words is "forty-nine million, three hundred fifty-one thousand, eight hundred forty-two".