49815872 has 56 divisors (see below), whose sum is σ = 105704640. Its totient is φ = 23224320.

The previous prime is 49815863. The next prime is 49815893. The reversal of 49815872 is 27851894.

It is a super-2 number, since 2×49815872² = 4963242206240768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86048 + ... + 86624.

Almost surely, 2^49815872 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 49815872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52852320).

49815872 is an abundant number, since it is smaller than the sum of its proper divisors (55888768).

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

49815872 is a wasteful number, since it uses less digits than its factorization.

49815872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 669 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 49815872 is about 7058.0359874401. The cubic root of 49815872 is about 367.9503713792.

The spelling of 49815872 in words is "forty-nine million, eight hundred fifteen thousand, eight hundred seventy-two".