51902672 has 10 divisors (see below), whose sum is σ = 100561458. Its totient is φ = 25951328.

The previous prime is 51902647. The next prime is 51902687. The reversal of 51902672 is 27620915.

It can be written as a sum of positive squares in only one way, i.e., 26460736 + 25441936 = 5144^2 + 5044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621943 + ... + 1621974.

Almost surely, 2^51902672 is an apocalyptic number.

It is an amenable number.

51902672 is a deficient number, since it is larger than the sum of its proper divisors (48658786).

51902672 is a wasteful number, since it uses less digits than its factorization.

51902672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243925 (or 3243919 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 51902672 is about 7204.3509076113. The cubic root of 51902672 is about 373.0180998292.

The spelling of 51902672 in words is "fifty-one million, nine hundred two thousand, six hundred seventy-two".