51963461 has 16 divisors (see below), whose sum is σ = 60244800. Its totient is φ = 44323200.

The previous prime is 51963413. The next prime is 51963469. The reversal of 51963461 is 16436915.

It is not a de Polignac number, because 51963461 - 2¹⁰ = 51962437 is a prime.

It is a super-3 number, since 3×51963461³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51963469) 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, 21641 + ... + 23921.

It is an arithmetic number, because the mean of its divisors is an integer number (3765300).

Almost surely, 2^51963461 is an apocalyptic number.

It is an amenable number.

51963461 is a deficient number, since it is larger than the sum of its proper divisors (8281339).

51963461 is a wasteful number, since it uses less digits than its factorization.

51963461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420.

The product of its digits is 19440, while the sum is 35.

The square root of 51963461 is about 7208.5685819031. The cubic root of 51963461 is about 373.1636706935.

The spelling of 51963461 in words is "fifty-one million, nine hundred sixty-three thousand, four hundred sixty-one".