51429406 has 8 divisors (see below), whose sum is σ = 88164720. Its totient is φ = 22041168.

The previous prime is 51429397. The next prime is 51429407. The reversal of 51429406 is 60492415.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51429407) 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, 1836751 + ... + 1836778.

It is an arithmetic number, because the mean of its divisors is an integer number (11020590).

Almost surely, 2^51429406 is an apocalyptic number.

51429406 is a deficient number, since it is larger than the sum of its proper divisors (36735314).

51429406 is a wasteful number, since it uses less digits than its factorization.

51429406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673538.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 51429406 is about 7171.4298434831. The cubic root of 51429406 is about 371.8808681229.

The spelling of 51429406 in words is "fifty-one million, four hundred twenty-nine thousand, four hundred six".