51343454 has 4 divisors (see below), whose sum is σ = 77015184. Its totient is φ = 25671726.

The previous prime is 51343441. The next prime is 51343483. The reversal of 51343454 is 45434315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12835862 + ... + 12835865.

It is an arithmetic number, because the mean of its divisors is an integer number (19253796).

Almost surely, 2^51343454 is an apocalyptic number.

51343454 is a deficient number, since it is larger than the sum of its proper divisors (25671730).

51343454 is a wasteful number, since it uses less digits than its factorization.

51343454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25671729.

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

The square root of 51343454 is about 7165.4346692996. The cubic root of 51343454 is about 371.6735825114.

Adding to 51343454 its reverse (45434315), we get a palindrome (96777769).

The spelling of 51343454 in words is "fifty-one million, three hundred forty-three thousand, four hundred fifty-four".