49780536 has 32 divisors (see below), whose sum is σ = 134025360. Its totient is φ = 15316992.

The previous prime is 49780499. The next prime is 49780537. The reversal of 49780536 is 63508794.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49780537) 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, 79465 + ... + 80088.

Almost surely, 2^49780536 is an apocalyptic number.

It is an amenable number.

49780536 is an abundant number, since it is smaller than the sum of its proper divisors (84244824).

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

49780536 is a wasteful number, since it uses less digits than its factorization.

49780536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159575 (or 159571 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 49780536 is about 7055.5322974245. The cubic root of 49780536 is about 367.8633511235.

The spelling of 49780536 in words is "forty-nine million, seven hundred eighty thousand, five hundred thirty-six".