51353401 has 4 divisors (see below), whose sum is σ = 56021904. Its totient is φ = 46684900.

The previous prime is 51353389. The next prime is 51353417. The reversal of 51353401 is 10435315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51353401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51350401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334235 + ... + 2334256.

It is an arithmetic number, because the mean of its divisors is an integer number (14005476).

Almost surely, 2^51353401 is an apocalyptic number.

It is an amenable number.

51353401 is a deficient number, since it is larger than the sum of its proper divisors (4668503).

51353401 is a wasteful number, since it uses less digits than its factorization.

51353401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668502.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51353401 is about 7166.1287317491. The cubic root of 51353401 is about 371.6975829640.

Adding to 51353401 its reverse (10435315), we get a palindrome (61788716).

The spelling of 51353401 in words is "fifty-one million, three hundred fifty-three thousand, four hundred one".