49515872 has 72 divisors (see below), whose sum is σ = 118416816. Its totient is φ = 20283648.

The previous prime is 49515871. The next prime is 49515889. The reversal of 49515872 is 27851594.

49515872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49515871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35378 + ... + 36750.

It is an arithmetic number, because the mean of its divisors is an integer number (1644678).

Almost surely, 2^49515872 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 49515872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59208408).

49515872 is an abundant number, since it is smaller than the sum of its proper divisors (68900944).

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

49515872 is a wasteful number, since it uses less digits than its factorization.

49515872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1405 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 49515872 is about 7036.7515232528. The cubic root of 49515872 is about 367.2102629389.

The spelling of 49515872 in words is "forty-nine million, five hundred fifteen thousand, eight hundred seventy-two".