50611015573 has 2 divisors, whose sum is σ = 50611015574. Its totient is φ = 50611015572.

The previous prime is 50611015561. The next prime is 50611015577. The reversal of 50611015573 is 37551011605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49807973329 + 803042244 = 223177^2 + 28338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50611015573 is a prime.

It is a super-2 number, since 2×50611015573² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50611015577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305507786 + 25305507787.

It is an arithmetic number, because the mean of its divisors is an integer number (25305507787).

Almost surely, 2^50611015573 is an apocalyptic number.

It is an amenable number.

50611015573 is a deficient number, since it is larger than the sum of its proper divisors (1).

50611015573 is an equidigital number, since it uses as much as digits as its factorization.

50611015573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The spelling of 50611015573 in words is "fifty billion, six hundred eleven million, fifteen thousand, five hundred seventy-three".