49423872 has 80 divisors (see below), whose sum is σ = 137491200. Its totient is φ = 15747072.

The previous prime is 49423867. The next prime is 49423877. The reversal of 49423872 is 27832494.

It is an interprime number because it is at equal distance from previous prime (49423867) and next prime (49423877).

It is a self number, because there is not a number n which added to its sum of digits gives 49423872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49423877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34629 + ... + 36027.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^49423872 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 49423872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68745600).

49423872 is an abundant number, since it is smaller than the sum of its proper divisors (88067328).

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

49423872 is a wasteful number, since it uses less digits than its factorization.

49423872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1427 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 49423872 is about 7030.2113766230. The cubic root of 49423872 is about 366.9826975982.

The spelling of 49423872 in words is "forty-nine million, four hundred twenty-three thousand, eight hundred seventy-two".