50700025981 has 16 divisors (see below), whose sum is σ = 55765721088. Its totient is φ = 45710708400.

The previous prime is 50700025967. The next prime is 50700025993. The reversal of 50700025981 is 18952000705.

It is a cyclic number.

It is not a de Polignac number, because 50700025981 - 2⁵ = 50700025949 is a prime.

It is a super-2 number, since 2×50700025981² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50700025981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50700025921) 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, 4983606 + ... + 4993768.

It is an arithmetic number, because the mean of its divisors is an integer number (3485357568).

Almost surely, 2^50700025981 is an apocalyptic number.

It is an amenable number.

50700025981 is a deficient number, since it is larger than the sum of its proper divisors (5065695107).

50700025981 is a wasteful number, since it uses less digits than its factorization.

50700025981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 50700025981 in words is "fifty billion, seven hundred million, twenty-five thousand, nine hundred eighty-one".