50495551 has 2 divisors, whose sum is σ = 50495552. Its totient is φ = 50495550.

The previous prime is 50495539. The next prime is 50495567. The reversal of 50495551 is 15559405.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50495551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50495651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25247775 + 25247776.

It is an arithmetic number, because the mean of its divisors is an integer number (25247776).

Almost surely, 2^50495551 is an apocalyptic number.

50495551 is a deficient number, since it is larger than the sum of its proper divisors (1).

50495551 is an equidigital number, since it uses as much as digits as its factorization.

50495551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 50495551 is about 7106.0221643336. The cubic root of 50495551 is about 369.6162346734.

The spelling of 50495551 in words is "fifty million, four hundred ninety-five thousand, five hundred fifty-one".