51214724 has 12 divisors (see below), whose sum is σ = 97773648. Its totient is φ = 23279400.

The previous prime is 51214717. The next prime is 51214741. The reversal of 51214724 is 42741215.

It is a junction number, because it is equal to n+sod(n) for n = 51214693 and 51214702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581942 + ... + 582029.

It is an arithmetic number, because the mean of its divisors is an integer number (8147804).

Almost surely, 2^51214724 is an apocalyptic number.

It is an amenable number.

51214724 is a deficient number, since it is larger than the sum of its proper divisors (46558924).

51214724 is a wasteful number, since it uses less digits than its factorization.

51214724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163986 (or 1163984 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 51214724 is about 7156.4463248179. The cubic root of 51214724 is about 371.3626984618.

Adding to 51214724 its reverse (42741215), we get a palindrome (93955939).

The spelling of 51214724 in words is "fifty-one million, two hundred fourteen thousand, seven hundred twenty-four".