51356201 has 8 divisors (see below), whose sum is σ = 58560264. Its totient is φ = 44616960.

The previous prime is 51356197. The next prime is 51356203. The reversal of 51356201 is 10265315.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 51265600 = 301^2 + 7160^2 .

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 51356201 - 2² = 51356197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51356203) 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, 115970 + ... + 116411.

It is an arithmetic number, because the mean of its divisors is an integer number (7320033).

Almost surely, 2^51356201 is an apocalyptic number.

It is an amenable number.

51356201 is a deficient number, since it is larger than the sum of its proper divisors (7204063).

51356201 is a wasteful number, since it uses less digits than its factorization.

51356201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232411.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51356201 is about 7166.3240925875. The cubic root of 51356201 is about 371.7043383382.

The spelling of 51356201 in words is "fifty-one million, three hundred fifty-six thousand, two hundred one".