49788780 has 24 divisors (see below), whose sum is σ = 139408752. Its totient is φ = 13276992.

The previous prime is 49788773. The next prime is 49788803. The reversal of 49788780 is 8788794.

It is a super-2 number, since 2×49788780² = 4957845227776800, which contains 22 as substring.

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, 414847 + ... + 414966.

It is an arithmetic number, because the mean of its divisors is an integer number (5808698).

Almost surely, 2^49788780 is an apocalyptic number.

It is an amenable number.

49788780 is an abundant number, since it is smaller than the sum of its proper divisors (89619972).

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

49788780 is a wasteful number, since it uses less digits than its factorization.

49788780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829825 (or 829823 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 49788780 is about 7056.1164956370. The cubic root of 49788780 is about 367.8836569051.

The spelling of 49788780 in words is "forty-nine million, seven hundred eighty-eight thousand, seven hundred eighty".