51272654 has 8 divisors (see below), whose sum is σ = 77418768. Its totient is φ = 25466400.

The previous prime is 51272653. The next prime is 51272671. The reversal of 51272654 is 45627215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51272654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51272653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84587 + ... + 85190.

It is an arithmetic number, because the mean of its divisors is an integer number (9677346).

Almost surely, 2^51272654 is an apocalyptic number.

51272654 is a deficient number, since it is larger than the sum of its proper divisors (26146114).

51272654 is a wasteful number, since it uses less digits than its factorization.

51272654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169930.

The product of its digits is 16800, while the sum is 32.

The square root of 51272654 is about 7160.4925808215. The cubic root of 51272654 is about 371.5026642975.

Adding to 51272654 its reverse (45627215), we get a palindrome (96899869).

The spelling of 51272654 in words is "fifty-one million, two hundred seventy-two thousand, six hundred fifty-four".