50201551 has 2 divisors, whose sum is σ = 50201552. Its totient is φ = 50201550.

The previous prime is 50201533. The next prime is 50201603. The reversal of 50201551 is 15510205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50201551 - 2¹³ = 50193359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50201521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25100775 + 25100776.

It is an arithmetic number, because the mean of its divisors is an integer number (25100776).

Almost surely, 2^50201551 is an apocalyptic number.

50201551 is a deficient number, since it is larger than the sum of its proper divisors (1).

50201551 is an equidigital number, since it uses as much as digits as its factorization.

50201551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 50201551 is about 7085.3052862950. The cubic root of 50201551 is about 368.8974997016.

Adding to 50201551 its reverse (15510205), we get a palindrome (65711756).

It can be divided in two parts, 50 and 201551, that added together give a square (201601 = 449²).

The spelling of 50201551 in words is "fifty million, two hundred one thousand, five hundred fifty-one".