50527502981 has 16 divisors (see below), whose sum is σ = 54840537600. Its totient is φ = 46437451200.

The previous prime is 50527502951. The next prime is 50527502999. The reversal of 50527502981 is 18920572505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50527502981 is a prime.

It is a super-2 number, since 2×50527502981² (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 (50527502911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405851 + ... + 515528.

It is an arithmetic number, because the mean of its divisors is an integer number (3427533600).

Almost surely, 2^50527502981 is an apocalyptic number.

It is an amenable number.

50527502981 is a deficient number, since it is larger than the sum of its proper divisors (4313034619).

50527502981 is a wasteful number, since it uses less digits than its factorization.

50527502981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921500.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 50527502981 in words is "fifty billion, five hundred twenty-seven million, five hundred two thousand, nine hundred eighty-one".