51272926 has 4 divisors (see below), whose sum is σ = 76909392. Its totient is φ = 25636462.

The previous prime is 51272917. The next prime is 51272927. The reversal of 51272926 is 62927215.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 51272891 and 51272900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51272927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12818230 + ... + 12818233.

It is an arithmetic number, because the mean of its divisors is an integer number (19227348).

Almost surely, 2^51272926 is an apocalyptic number.

51272926 is a deficient number, since it is larger than the sum of its proper divisors (25636466).

51272926 is a wasteful number, since it uses less digits than its factorization.

51272926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25636465.

The product of its digits is 15120, while the sum is 34.

The square root of 51272926 is about 7160.5115739031. The cubic root of 51272926 is about 371.5033212335.

The spelling of 51272926 in words is "fifty-one million, two hundred seventy-two thousand, nine hundred twenty-six".