51602201 has 4 divisors (see below), whose sum is σ = 58973952. Its totient is φ = 44230452.

The previous prime is 51602189. The next prime is 51602219. The reversal of 51602201 is 10220615.

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 not a de Polignac number, because 51602201 - 2⁶ = 51602137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51602201.

It is not an unprimeable number, because it can be changed into a prime (51602101) 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, 3685865 + ... + 3685878.

It is an arithmetic number, because the mean of its divisors is an integer number (14743488).

Almost surely, 2^51602201 is an apocalyptic number.

It is an amenable number.

51602201 is a deficient number, since it is larger than the sum of its proper divisors (7371751).

51602201 is an equidigital number, since it uses as much as digits as its factorization.

51602201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371750.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51602201 is about 7183.4671990620. The cubic root of 51602201 is about 372.2968903083.

Adding to 51602201 its reverse (10220615), we get a palindrome (61822816).

The spelling of 51602201 in words is "fifty-one million, six hundred two thousand, two hundred one".