51403234 has 8 divisors (see below), whose sum is σ = 77504940. Its totient is φ = 25568256.

The previous prime is 51403207. The next prime is 51403273. The reversal of 51403234 is 43230415.

It can be written as a sum of positive squares in 2 ways, for example, as 50452609 + 950625 = 7103^2 + 975^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66199 + ... + 66970.

Almost surely, 2^51403234 is an apocalyptic number.

51403234 is a deficient number, since it is larger than the sum of its proper divisors (26101706).

51403234 is a wasteful number, since it uses less digits than its factorization.

51403234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133364.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51403234 is about 7169.6048705630. The cubic root of 51403234 is about 371.8177750516.

Adding to 51403234 its reverse (43230415), we get a palindrome (94633649).

The spelling of 51403234 in words is "fifty-one million, four hundred three thousand, two hundred thirty-four".