51344435 has 4 divisors (see below), whose sum is σ = 61613328. Its totient is φ = 41075544.

The previous prime is 51344417. The next prime is 51344459. The reversal of 51344435 is 53444315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53444315 = 5 ⋅10688863.

It is a cyclic number.

It is not a de Polignac number, because 51344435 - 2⁸ = 51344179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51344398 and 51344407.

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, 5134439 + ... + 5134448.

It is an arithmetic number, because the mean of its divisors is an integer number (15403332).

Almost surely, 2^51344435 is an apocalyptic number.

51344435 is a deficient number, since it is larger than the sum of its proper divisors (10268893).

51344435 is a wasteful number, since it uses less digits than its factorization.

51344435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268892.

The product of its digits is 14400, while the sum is 29.

The square root of 51344435 is about 7165.5031226007. The cubic root of 51344435 is about 371.6759496387.

The spelling of 51344435 in words is "fifty-one million, three hundred forty-four thousand, four hundred thirty-five".