51970628 has 12 divisors (see below), whose sum is σ = 91026432. Its totient is φ = 25963080.

The previous prime is 51970609. The next prime is 51970631. The reversal of 51970628 is 82607915.

It is a junction number, because it is equal to n+sod(n) for n = 51970591 and 51970600.

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, 413 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (7585536).

Almost surely, 2^51970628 is an apocalyptic number.

It is an amenable number.

51970628 is a deficient number, since it is larger than the sum of its proper divisors (39055804).

51970628 is a wasteful number, since it uses less digits than its factorization.

51970628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122 (or 11120 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 51970628 is about 7209.0656814874. The cubic root of 51970628 is about 373.1808259601.

The spelling of 51970628 in words is "fifty-one million, nine hundred seventy thousand, six hundred twenty-eight".