49978032 has 120 divisors (see below), whose sum is σ = 143504208. Its totient is φ = 14976000.

The previous prime is 49978031. The next prime is 49978043. The reversal of 49978032 is 23087994.

It is not an unprimeable number, because it can be changed into a prime (49978031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494782 + ... + 494882.

Almost surely, 2^49978032 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 49978032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71752104).

49978032 is an abundant number, since it is smaller than the sum of its proper divisors (93526176).

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

49978032 is a wasteful number, since it uses less digits than its factorization.

49978032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 49978032 is about 7069.5142690287. The cubic root of 49978032 is about 368.3491880911.

The spelling of 49978032 in words is "forty-nine million, nine hundred seventy-eight thousand, thirty-two".