50515406250 has 112 divisors (see below), whose sum is σ = 129708964704. Its totient is φ = 13105800000.

The previous prime is 50515406231. The next prime is 50515406251. The reversal of 50515406250 is 5260451505.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50515406251) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3461469 + ... + 3476031.

Almost surely, 2^50515406250 is an apocalyptic number.

50515406250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50515406250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64854482352).

50515406250 is an abundant number, since it is smaller than the sum of its proper divisors (79193558454).

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

50515406250 is an equidigital number, since it uses as much as digits as its factorization.

50515406250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635 (or 14610 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 50515406250 its reverse (5260451505), we get a palindrome (55775857755).

It can be divided in two parts, 5051540 and 6250, that added together give a triangular number (5057790 = T₃₁₈₀).

The spelling of 50515406250 in words is "fifty billion, five hundred fifteen million, four hundred six thousand, two hundred fifty".