51036461 has 8 divisors (see below), whose sum is σ = 58700160. Its totient is φ = 43465968.

The previous prime is 51036437. The next prime is 51036463. The reversal of 51036461 is 16463015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-51036461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51036461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51036463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22121 + ... + 24318.

It is an arithmetic number, because the mean of its divisors is an integer number (7337520).

Almost surely, 2^51036461 is an apocalyptic number.

It is an amenable number.

51036461 is a deficient number, since it is larger than the sum of its proper divisors (7663699).

51036461 is a wasteful number, since it uses less digits than its factorization.

51036461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46603.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51036461 is about 7143.9807530536. The cubic root of 51036461 is about 370.9313304223.

Adding to 51036461 its reverse (16463015), we get a palindrome (67499476).

The spelling of 51036461 in words is "fifty-one million, thirty-six thousand, four hundred sixty-one".