50061149987 has 2 divisors, whose sum is σ = 50061149988. Its totient is φ = 50061149986.

The previous prime is 50061149969. The next prime is 50061150047. The reversal of 50061149987 is 78994116005.

50061149987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50061149987 - 2⁶ = 50061149923 is a prime.

It is a super-2 number, since 2×50061149987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50061148987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030574993 + 25030574994.

It is an arithmetic number, because the mean of its divisors is an integer number (25030574994).

Almost surely, 2^50061149987 is an apocalyptic number.

50061149987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50061149987 is an equidigital number, since it uses as much as digits as its factorization.

50061149987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 50061149987 in words is "fifty billion, sixty-one million, one hundred forty-nine thousand, nine hundred eighty-seven".