51703061 has 4 divisors (see below), whose sum is σ = 51742092. Its totient is φ = 51664032.

The previous prime is 51703049. The next prime is 51703063. The reversal of 51703061 is 16030715.

51703061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16030715 = 5 ⋅3206143.

It can be written as a sum of positive squares in 2 ways, for example, as 47679025 + 4024036 = 6905^2 + 2006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51703061 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 (51703063) 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 3 ways as a sum of consecutive naturals, for example, 17456 + ... + 20201.

It is an arithmetic number, because the mean of its divisors is an integer number (12935523).

Almost surely, 2^51703061 is an apocalyptic number.

It is an amenable number.

51703061 is a deficient number, since it is larger than the sum of its proper divisors (39031).

51703061 is a wasteful number, since it uses less digits than its factorization.

51703061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39030.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 51703061 is about 7190.4840588099. The cubic root of 51703061 is about 372.5392922833.

Adding to 51703061 its reverse (16030715), we get a palindrome (67733776).

The spelling of 51703061 in words is "fifty-one million, seven hundred three thousand, sixty-one".