50478748231 has 4 divisors (see below), whose sum is σ = 50499933472. Its totient is φ = 50457562992.

The previous prime is 50478748217. The next prime is 50478748253. The reversal of 50478748231 is 13284787405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50478748231 - 2³³ = 41888813639 is a prime.

It is a super-2 number, since 2×50478748231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478740231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10589046 + ... + 10593811.

It is an arithmetic number, because the mean of its divisors is an integer number (12624983368).

Almost surely, 2^50478748231 is an apocalyptic number.

50478748231 is a deficient number, since it is larger than the sum of its proper divisors (21185241).

50478748231 is a wasteful number, since it uses less digits than its factorization.

50478748231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185240.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 50478748231 in words is "fifty billion, four hundred seventy-eight million, seven hundred forty-eight thousand, two hundred thirty-one".