51361075 has 6 divisors (see below), whose sum is σ = 63687764. Its totient is φ = 41088840.

The previous prime is 51361043. The next prime is 51361087. The reversal of 51361075 is 57016315.

It is not a de Polignac number, because 51361075 - 2⁵ = 51361043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027197 + ... + 1027246.

Almost surely, 2^51361075 is an apocalyptic number.

51361075 is a deficient number, since it is larger than the sum of its proper divisors (12326689).

51361075 is a wasteful number, since it uses less digits than its factorization.

51361075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054453 (or 2054448 counting only the distinct ones).

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

The square root of 51361075 is about 7166.6641472864. The cubic root of 51361075 is about 371.7160969289.

The spelling of 51361075 in words is "fifty-one million, three hundred sixty-one thousand, seventy-five".