51434 has 4 divisors (see below), whose sum is σ = 77154. Its totient is φ = 25716.

The previous prime is 51431. The next prime is 51437. The reversal of 51434 is 43415.

51434 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 an interprime number because it is at equal distance from previous prime (51431) and next prime (51437).

It can be written as a sum of positive squares in only one way, i.e., 42025 + 9409 = 205^2 + 97^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51434.

It is not an unprimeable number, because it can be changed into a prime (51431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12857 + ... + 12860.

2⁵¹⁴³⁴ is an apocalyptic number.

51434 is a deficient number, since it is larger than the sum of its proper divisors (25720).

51434 is a wasteful number, since it uses less digits than its factorization.

51434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25719.

The product of its digits is 240, while the sum is 17.

The square root of 51434 is about 226.7906523647. The cubic root of 51434 is about 37.1891940711.

Adding to 51434 its reverse (43415), we get a palindrome (94849).

The spelling of 51434 in words is "fifty-one thousand, four hundred thirty-four".