51302672 has 10 divisors (see below), whose sum is σ = 99398958. Its totient is φ = 25651328.

The previous prime is 51302663. The next prime is 51302677. The reversal of 51302672 is 27620315.

It can be written as a sum of positive squares in only one way, i.e., 48219136 + 3083536 = 6944^2 + 1756^2 .

It is not an unprimeable number, because it can be changed into a prime (51302677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603193 + ... + 1603224.

Almost surely, 2^51302672 is an apocalyptic number.

It is an amenable number.

51302672 is a deficient number, since it is larger than the sum of its proper divisors (48096286).

51302672 is a wasteful number, since it uses less digits than its factorization.

51302672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206425 (or 3206419 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 51302672 is about 7162.5883589663. The cubic root of 51302672 is about 371.5751499243.

Adding to 51302672 its reverse (27620315), we get a palindrome (78922987).

The spelling of 51302672 in words is "fifty-one million, three hundred two thousand, six hundred seventy-two".