50861431563 has 8 divisors (see below), whose sum is σ = 67840267776. Its totient is φ = 33895108200.

The previous prime is 50861431553. The next prime is 50861431573. The reversal of 50861431563 is 36513416805.

It is an interprime number because it is at equal distance from previous prime (50861431553) and next prime (50861431573).

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

It is not a de Polignac number, because 50861431563 - 2¹² = 50861427467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50861431553) 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, 3118723 + ... + 3134988.

It is an arithmetic number, because the mean of its divisors is an integer number (8480033472).

Almost surely, 2^50861431563 is an apocalyptic number.

50861431563 is a deficient number, since it is larger than the sum of its proper divisors (16978836213).

50861431563 is a wasteful number, since it uses less digits than its factorization.

50861431563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256425.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 50861431563 in words is "fifty billion, eight hundred sixty-one million, four hundred thirty-one thousand, five hundred sixty-three".