51350761 has 16 divisors (see below), whose sum is σ = 67789440. Its totient is φ = 37658880.

The previous prime is 51350699. The next prime is 51350771. The reversal of 51350761 is 16705315.

It is not a de Polignac number, because 51350761 - 2²¹ = 49253609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51350771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18306 + ... + 20923.

It is an arithmetic number, because the mean of its divisors is an integer number (4236840).

Almost surely, 2^51350761 is an apocalyptic number.

It is an amenable number.

51350761 is a deficient number, since it is larger than the sum of its proper divisors (16438679).

51350761 is a wasteful number, since it uses less digits than its factorization.

51350761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39264.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 51350761 is about 7165.9445295090. The cubic root of 51350761 is about 371.6912133863.

The spelling of 51350761 in words is "fifty-one million, three hundred fifty thousand, seven hundred sixty-one".