51344401 has 8 divisors (see below), whose sum is σ = 53156864. Its totient is φ = 49541760.

The previous prime is 51344399. The next prime is 51344411. The reversal of 51344401 is 10444315.

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 51344401 - 2¹ = 51344399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51344411) 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, 9121 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (6644608).

Almost surely, 2^51344401 is an apocalyptic number.

It is an amenable number.

51344401 is a deficient number, since it is larger than the sum of its proper divisors (1812463).

51344401 is a wasteful number, since it uses less digits than its factorization.

51344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 51344401 is about 7165.5007501221. The cubic root of 51344401 is about 371.6758675981.

Adding to 51344401 its reverse (10444315), we get a palindrome (61788716).

The spelling of 51344401 in words is "fifty-one million, three hundred forty-four thousand, four hundred one".