51429926 has 8 divisors (see below), whose sum is σ = 79230000. Its totient is φ = 25019928.

The previous prime is 51429919. The next prime is 51429943. The reversal of 51429926 is 62992415.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51429926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347426 + ... + 347573.

It is an arithmetic number, because the mean of its divisors is an integer number (9903750).

Almost surely, 2^51429926 is an apocalyptic number.

51429926 is a deficient number, since it is larger than the sum of its proper divisors (27800074).

51429926 is a wasteful number, since it uses less digits than its factorization.

51429926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695038.

The product of its digits is 38880, while the sum is 38.

The square root of 51429926 is about 7171.4660983651. The cubic root of 51429926 is about 371.8821214746.

The spelling of 51429926 in words is "fifty-one million, four hundred twenty-nine thousand, nine hundred twenty-six".