50061551 has 2 divisors, whose sum is σ = 50061552. Its totient is φ = 50061550.

The previous prime is 50061527. The next prime is 50061563. The reversal of 50061551 is 15516005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50061551 - 2¹⁴ = 50045167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50066551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030775 + 25030776.

It is an arithmetic number, because the mean of its divisors is an integer number (25030776).

Almost surely, 2^50061551 is an apocalyptic number.

50061551 is a deficient number, since it is larger than the sum of its proper divisors (1).

50061551 is an equidigital number, since it uses as much as digits as its factorization.

50061551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 50061551 is about 7075.4187861921. The cubic root of 50061551 is about 368.5542584236.

Adding to 50061551 its reverse (15516005), we get a palindrome (65577556).

The spelling of 50061551 in words is "fifty million, sixty-one thousand, five hundred fifty-one".