49657800 has 48 divisors (see below), whose sum is σ = 153941040. Its totient is φ = 13241920.

The previous prime is 49657789. The next prime is 49657801. The reversal of 49657800 is 875694.

It is not an unprimeable number, because it can be changed into a prime (49657801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40782 + ... + 41981.

It is an arithmetic number, because the mean of its divisors is an integer number (3207105).

Almost surely, 2^49657800 is an apocalyptic number.

49657800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49657800 is an abundant number, since it is smaller than the sum of its proper divisors (104283240).

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

49657800 is a wasteful number, since it uses less digits than its factorization.

49657800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82782 (or 82773 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 49657800 is about 7046.8290741297. The cubic root of 49657800 is about 367.5607748071.

The spelling of 49657800 in words is "forty-nine million, six hundred fifty-seven thousand, eight hundred".