51753461 has 4 divisors (see below), whose sum is σ = 51882924. Its totient is φ = 51624000.

The previous prime is 51753451. The next prime is 51753463. The reversal of 51753461 is 16435715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16435715 = 5 ⋅3287143.

It can be written as a sum of positive squares in 2 ways, for example, as 47872561 + 3880900 = 6919^2 + 1970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51753461 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 (51753463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64130 + ... + 64931.

It is an arithmetic number, because the mean of its divisors is an integer number (12970731).

Almost surely, 2^51753461 is an apocalyptic number.

It is an amenable number.

51753461 is a deficient number, since it is larger than the sum of its proper divisors (129463).

51753461 is a wasteful number, since it uses less digits than its factorization.

51753461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129462.

The product of its digits is 12600, while the sum is 32.

The square root of 51753461 is about 7193.9878370762. The cubic root of 51753461 is about 372.6603030600.

The spelling of 51753461 in words is "fifty-one million, seven hundred fifty-three thousand, four hundred sixty-one".