51926486 has 4 divisors (see below), whose sum is σ = 77889732. Its totient is φ = 25963242.

The previous prime is 51926473. The next prime is 51926509. The reversal of 51926486 is 68462915.

It is a happy number.

51926486 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.

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, 12981620 + ... + 12981623.

It is an arithmetic number, because the mean of its divisors is an integer number (19472433).

Almost surely, 2^51926486 is an apocalyptic number.

51926486 is a deficient number, since it is larger than the sum of its proper divisors (25963246).

51926486 is a wasteful number, since it uses less digits than its factorization.

51926486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25963245.

The product of its digits is 103680, while the sum is 41.

The square root of 51926486 is about 7206.0034693303. The cubic root of 51926486 is about 373.0751405329.

The spelling of 51926486 in words is "fifty-one million, nine hundred twenty-six thousand, four hundred eighty-six".