49788380 has 48 divisors (see below), whose sum is σ = 107321760. Its totient is φ = 19396608.

The previous prime is 49788377. The next prime is 49788433. The reversal of 49788380 is 8388794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147572 + ... + 147908.

It is an arithmetic number, because the mean of its divisors is an integer number (2235870).

Almost surely, 2^49788380 is an apocalyptic number.

It is an amenable number.

49788380 is an abundant number, since it is smaller than the sum of its proper divisors (57533380).

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

49788380 is a wasteful number, since it uses less digits than its factorization.

49788380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 49788380 is about 7056.0881513768. The cubic root of 49788380 is about 367.8826717176.

The spelling of 49788380 in words is "forty-nine million, seven hundred eighty-eight thousand, three hundred eighty".