51656926 has 4 divisors (see below), whose sum is σ = 77485392. Its totient is φ = 25828462.

The previous prime is 51656909. The next prime is 51656947. The reversal of 51656926 is 62965615.

51656926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62965615 = 5 ⋅12593123.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914230 + ... + 12914233.

It is an arithmetic number, because the mean of its divisors is an integer number (19371348).

Almost surely, 2^51656926 is an apocalyptic number.

51656926 is a deficient number, since it is larger than the sum of its proper divisors (25828466).

51656926 is a wasteful number, since it uses less digits than its factorization.

51656926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25828465.

The product of its digits is 97200, while the sum is 40.

The square root of 51656926 is about 7187.2752834437. The cubic root of 51656926 is about 372.4284528442.

The spelling of 51656926 in words is "fifty-one million, six hundred fifty-six thousand, nine hundred twenty-six".