50651551 has 16 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 45820800.

The previous prime is 50651527. The next prime is 50651563. The reversal of 50651551 is 15515605.

50651551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50651551 - 2⁷ = 50651423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50651501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117306 + ... + 117736.

It is an arithmetic number, because the mean of its divisors is an integer number (3483648).

Almost surely, 2^50651551 is an apocalyptic number.

50651551 is a deficient number, since it is larger than the sum of its proper divisors (5086817).

50651551 is a wasteful number, since it uses less digits than its factorization.

50651551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 50651551 is about 7116.9903048971. The cubic root of 50651551 is about 369.9964718436.

The spelling of 50651551 in words is "fifty million, six hundred fifty-one thousand, five hundred fifty-one".