50220251507 has 2 divisors, whose sum is σ = 50220251508. Its totient is φ = 50220251506.

The previous prime is 50220251479. The next prime is 50220251533. The reversal of 50220251507 is 70515202205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50220251507 is a prime.

It is a super-2 number, since 2×50220251507² (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 50220251507.

It is not a weakly prime, because it can be changed into another prime (50220251537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110125753 + 25110125754.

It is an arithmetic number, because the mean of its divisors is an integer number (25110125754).

Almost surely, 2^50220251507 is an apocalyptic number.

50220251507 is a deficient number, since it is larger than the sum of its proper divisors (1).

50220251507 is an equidigital number, since it uses as much as digits as its factorization.

50220251507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 50220251507 in words is "fifty billion, two hundred twenty million, two hundred fifty-one thousand, five hundred seven".