51124417 has 16 divisors (see below), whose sum is σ = 54698112. Its totient is φ = 47710080.

The previous prime is 51124399. The next prime is 51124429. The reversal of 51124417 is 71442115.

It is a cyclic number.

It is not a de Polignac number, because 51124417 - 2⁷ = 51124289 is a prime.

It is a super-2 number, since 2×51124417² = 5227412027179778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51124391 and 51124400.

It is not an unprimeable number, because it can be changed into a prime (51124217) 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, 101388 + ... + 101890.

It is an arithmetic number, because the mean of its divisors is an integer number (3418632).

Almost surely, 2^51124417 is an apocalyptic number.

It is an amenable number.

51124417 is a deficient number, since it is larger than the sum of its proper divisors (3573695).

51124417 is a wasteful number, since it uses less digits than its factorization.

51124417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its digits is 1120, while the sum is 25.

The square root of 51124417 is about 7150.1340546874. The cubic root of 51124417 is about 371.1442952393.

The spelling of 51124417 in words is "fifty-one million, one hundred twenty-four thousand, four hundred seventeen".