51770201 has 16 divisors (see below), whose sum is σ = 60364800. Its totient is φ = 43484688.

The previous prime is 51770197. The next prime is 51770209. The reversal of 51770201 is 10207715.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51770201 - 2² = 51770197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51770209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98726 + ... + 99248.

It is an arithmetic number, because the mean of its divisors is an integer number (3772800).

Almost surely, 2^51770201 is an apocalyptic number.

It is an amenable number.

51770201 is a deficient number, since it is larger than the sum of its proper divisors (8594599).

51770201 is a wasteful number, since it uses less digits than its factorization.

51770201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 51770201 is about 7195.1512145333. The cubic root of 51770201 is about 372.7004785437.

Adding to 51770201 its reverse (10207715), we get a palindrome (61977916).

The spelling of 51770201 in words is "fifty-one million, seven hundred seventy thousand, two hundred one".