49756780 has 24 divisors (see below), whose sum is σ = 107039520. Its totient is φ = 19416960.

The previous prime is 49756747. The next prime is 49756781. The reversal of 49756780 is 8765794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49756780.

It is not an unprimeable number, because it can be changed into a prime (49756781) 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, 29520 + ... + 31159.

It is an arithmetic number, because the mean of its divisors is an integer number (4459980).

Almost surely, 2^49756780 is an apocalyptic number.

It is an amenable number.

49756780 is an abundant number, since it is smaller than the sum of its proper divisors (57282740).

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

49756780 is a wasteful number, since it uses less digits than its factorization.

49756780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60729 (or 60727 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 49756780 is about 7053.8485949161. The cubic root of 49756780 is about 367.8048252219.

The spelling of 49756780 in words is "forty-nine million, seven hundred fifty-six thousand, seven hundred eighty".