50400051 has 8 divisors (see below), whose sum is σ = 72369360. Its totient is φ = 31015392.

The previous prime is 50400037. The next prime is 50400067. The reversal of 50400051 is 15000405.

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

It is not a de Polignac number, because 50400051 - 2⁹ = 50399539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50400051.

It is not an unprimeable number, because it can be changed into a prime (50400001) 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, 646116 + ... + 646193.

It is an arithmetic number, because the mean of its divisors is an integer number (9046170).

Almost surely, 2^50400051 is an apocalyptic number.

50400051 is a deficient number, since it is larger than the sum of its proper divisors (21969309).

50400051 is a wasteful number, since it uses less digits than its factorization.

50400051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292325.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 50400051 is about 7099.2993316242. The cubic root of 50400051 is about 369.3830746830.

Adding to 50400051 its reverse (15000405), we get a palindrome (65400456).

The spelling of 50400051 in words is "fifty million, four hundred thousand, fifty-one".