50527356981 has 8 divisors (see below), whose sum is σ = 67418882400. Its totient is φ = 33660368112.

The previous prime is 50527356977. The next prime is 50527356983. The reversal of 50527356981 is 18965372505.

It is a happy number.

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

It is not a de Polignac number, because 50527356981 - 2² = 50527356977 is a prime.

It is a super-2 number, since 2×50527356981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50527356983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6129331 + ... + 6137568.

It is an arithmetic number, because the mean of its divisors is an integer number (8427360300).

Almost surely, 2^50527356981 is an apocalyptic number.

It is an amenable number.

50527356981 is a deficient number, since it is larger than the sum of its proper divisors (16891525419).

50527356981 is a wasteful number, since it uses less digits than its factorization.

50527356981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268275.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 50527356981 in words is "fifty billion, five hundred twenty-seven million, three hundred fifty-six thousand, nine hundred eighty-one".