49976553198 has 128 divisors (see below), whose sum is σ = 120798558720. Its totient is φ = 13579384320.

The previous prime is 49976553197. The next prime is 49976553281. The reversal of 49976553198 is 89135567994.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49976553197) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31649973 + ... + 31651551.

It is an arithmetic number, because the mean of its divisors is an integer number (943738740).

Almost surely, 2^49976553198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49976553198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60399279360).

49976553198 is an abundant number, since it is smaller than the sum of its proper divisors (70822005522).

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

49976553198 is a wasteful number, since it uses less digits than its factorization.

49976553198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642.

The product of its digits is 73483200, while the sum is 66.

The spelling of 49976553198 in words is "forty-nine billion, nine hundred seventy-six million, five hundred fifty-three thousand, one hundred ninety-eight".