49977800 has 48 divisors (see below), whose sum is σ = 116741040. Its totient is φ = 19897920.

The previous prime is 49977793. The next prime is 49977803. The reversal of 49977800 is 877994.

It is not an unprimeable number, because it can be changed into a prime (49977803) 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, 56159 + ... + 57041.

It is an arithmetic number, because the mean of its divisors is an integer number (2432105).

Almost surely, 2^49977800 is an apocalyptic number.

49977800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49977800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58370520).

49977800 is an abundant number, since it is smaller than the sum of its proper divisors (66763240).

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

49977800 is a wasteful number, since it uses less digits than its factorization.

49977800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 49977800 is about 7069.4978605273. The cubic root of 49977800 is about 368.3486181264.

The spelling of 49977800 in words is "forty-nine million, nine hundred seventy-seven thousand, eight hundred".