50515133454400 has 84 divisors (see below), whose sum is σ = 128584965900420. Its totient is φ = 19509292902400.

The previous prime is 50515133454377. The next prime is 50515133454407. The reversal of 50515133454400 is 445433151505.

It can be written as a sum of positive squares in 6 ways, for example, as 2809700078656 + 47705433375744 = 1676216^2 + 6906912^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (50515133454407) 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, 544297711 + ... + 544390510.

Almost surely, 2^{50515133454400} is an apocalyptic number.

50515133454400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50515133454400 is an abundant number, since it is smaller than the sum of its proper divisors (78069832446020).

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

50515133454400 is a wasteful number, since it uses less digits than its factorization.

50515133454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088688272 (or 1088688257 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 50515133454400 in words is "fifty trillion, five hundred fifteen billion, one hundred thirty-three million, four hundred fifty-four thousand, four hundred".