51352270 has 16 divisors (see below), whose sum is σ = 92599200. Its totient is φ = 20504224.

The previous prime is 51352267. The next prime is 51352289. The reversal of 51352270 is 7225315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704 + ... + 10276.

It is an arithmetic number, because the mean of its divisors is an integer number (5787450).

Almost surely, 2^51352270 is an apocalyptic number.

51352270 is a deficient number, since it is larger than the sum of its proper divisors (41246930).

51352270 is a wasteful number, since it uses less digits than its factorization.

51352270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51352270 is about 7166.0498184146. The cubic root of 51352270 is about 371.6948542058.

Adding to 51352270 its reverse (7225315), we get a palindrome (58577585).

The spelling of 51352270 in words is "fifty-one million, three hundred fifty-two thousand, two hundred seventy".