51429434 has 32 divisors (see below), whose sum is σ = 91693056. Its totient is φ = 21170160.

The previous prime is 51429431. The next prime is 51429439. The reversal of 51429434 is 43492415.

It is a self number, because there is not a number n which added to its sum of digits gives 51429434.

It is not an unprimeable number, because it can be changed into a prime (51429431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70379 + ... + 71105.

It is an arithmetic number, because the mean of its divisors is an integer number (2865408).

Almost surely, 2^51429434 is an apocalyptic number.

51429434 is a deficient number, since it is larger than the sum of its proper divisors (40263622).

51429434 is a wasteful number, since it uses less digits than its factorization.

51429434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 17280, while the sum is 32.

The square root of 51429434 is about 7171.4317956737. The cubic root of 51429434 is about 371.8809356113.

The spelling of 51429434 in words is "fifty-one million, four hundred twenty-nine thousand, four hundred thirty-four".