51600905 has 8 divisors (see below), whose sum is σ = 62007432. Its totient is φ = 41223168.

The previous prime is 51600881. The next prime is 51600907. The reversal of 51600905 is 50900615.

It can be written as a sum of positive squares in 4 ways, for example, as 11316496 + 40284409 = 3364^2 + 6347^2 .

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 51600905 - 2⁸ = 51600649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51600907) 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, 3032 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (7750929).

Almost surely, 2^51600905 is an apocalyptic number.

It is an amenable number.

51600905 is a deficient number, since it is larger than the sum of its proper divisors (10406527).

51600905 is a wasteful number, since it uses less digits than its factorization.

51600905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 51600905 is about 7183.3769913600. The cubic root of 51600905 is about 372.2937735110.

The spelling of 51600905 in words is "fifty-one million, six hundred thousand, nine hundred five".