49685436 has 54 divisors (see below), whose sum is σ = 130262496. Its totient is φ = 15951600.

The previous prime is 49685423. The next prime is 49685453. The reversal of 49685436 is 63458694.

49685436 is a `hidden beast` number, since 49 + 68 + 543 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49685391 and 49685400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 235371 + ... + 235581.

Almost surely, 2^49685436 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 49685436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65131248).

49685436 is an abundant number, since it is smaller than the sum of its proper divisors (80577060).

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

49685436 is a wasteful number, since it uses less digits than its factorization.

49685436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 247 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 49685436 is about 7048.7896833428. The cubic root of 49685436 is about 367.6289482244.

It can be divided in two parts, 4968 and 5436, that added together give a square (10404 = 102²).

The spelling of 49685436 in words is "forty-nine million, six hundred eighty-five thousand, four hundred thirty-six".