51124461 has 8 divisors (see below), whose sum is σ = 68584800. Its totient is φ = 33873552.

The previous prime is 51124429. The next prime is 51124471. The reversal of 51124461 is 16442115.

It is a happy number.

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

It is not a de Polignac number, because 51124461 - 2⁵ = 51124429 is a prime.

It is a super-2 number, since 2×51124461² = 5227421025081042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51124471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51786 + ... + 52763.

It is an arithmetic number, because the mean of its divisors is an integer number (8573100).

Almost surely, 2^51124461 is an apocalyptic number.

It is an amenable number.

51124461 is a deficient number, since it is larger than the sum of its proper divisors (17460339).

51124461 is a wasteful number, since it uses less digits than its factorization.

51124461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104715.

The product of its digits is 960, while the sum is 24.

The square root of 51124461 is about 7150.1371315521. The cubic root of 51124461 is about 371.1444017138.

Adding to 51124461 its reverse (16442115), we get a palindrome (67566576).

The spelling of 51124461 in words is "fifty-one million, one hundred twenty-four thousand, four hundred sixty-one".