50400513251 has 8 divisors (see below), whose sum is σ = 56323412208. Its totient is φ = 44701120000.

The previous prime is 50400513179. The next prime is 50400513301. The reversal of 50400513251 is 15231500405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50400513251 - 2³⁰ = 49326771427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50400513251.

It is not an unprimeable number, because it can be changed into a prime (50400513451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55875950 + ... + 55876851.

It is an arithmetic number, because the mean of its divisors is an integer number (7040426526).

Almost surely, 2^50400513251 is an apocalyptic number.

50400513251 is a deficient number, since it is larger than the sum of its proper divisors (5922898957).

50400513251 is a wasteful number, since it uses less digits than its factorization.

50400513251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111752853.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 50400513251 in words is "fifty billion, four hundred million, five hundred thirteen thousand, two hundred fifty-one".