51344455 has 8 divisors (see below), whose sum is σ = 62658000. Its totient is φ = 40379136.

The previous prime is 51344417. The next prime is 51344459. The reversal of 51344455 is 55444315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51344455 - 2¹¹ = 51342407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86730 + ... + 87319.

It is an arithmetic number, because the mean of its divisors is an integer number (7832250).

Almost surely, 2^51344455 is an apocalyptic number.

51344455 is a deficient number, since it is larger than the sum of its proper divisors (11313545).

51344455 is a wasteful number, since it uses less digits than its factorization.

51344455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174113.

The product of its digits is 24000, while the sum is 31.

The square root of 51344455 is about 7165.5045181760. The cubic root of 51344455 is about 371.6759978978.

The spelling of 51344455 in words is "fifty-one million, three hundred forty-four thousand, four hundred fifty-five".