51434105 has 4 divisors (see below), whose sum is σ = 61720932. Its totient is φ = 41147280.

The previous prime is 51434093. The next prime is 51434171. The reversal of 51434105 is 50143415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6651241 + 44782864 = 2579^2 + 6692^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51434105 is a prime.

It is a Duffinian 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, 5143406 + ... + 5143415.

It is an arithmetic number, because the mean of its divisors is an integer number (15430233).

Almost surely, 2^51434105 is an apocalyptic number.

It is an amenable number.

51434105 is a deficient number, since it is larger than the sum of its proper divisors (10286827).

51434105 is a wasteful number, since it uses less digits than its factorization.

51434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286826.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51434105 is about 7171.7574554638. The cubic root of 51434105 is about 371.8921937770.

It can be divided in two parts, 5143410 and 5, that added together give a palindrome (5143415).

The spelling of 51434105 in words is "fifty-one million, four hundred thirty-four thousand, one hundred five".