51363610 has 8 divisors (see below), whose sum is σ = 92454516. Its totient is φ = 20545440.

The previous prime is 51363581. The next prime is 51363617. The reversal of 51363610 is 1636315.

It can be written as a sum of positive squares in 2 ways, for example, as 48958009 + 2405601 = 6997^2 + 1551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51363617) 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, 2568171 + ... + 2568190.

Almost surely, 2^51363610 is an apocalyptic number.

51363610 is a deficient number, since it is larger than the sum of its proper divisors (41090906).

51363610 is a wasteful number, since it uses less digits than its factorization.

51363610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136368.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 51363610 is about 7166.8410056314. The cubic root of 51363610 is about 371.7222123565.

Adding to 51363610 its reverse (1636315), we get a palindrome (52999925).

The spelling of 51363610 in words is "fifty-one million, three hundred sixty-three thousand, six hundred ten".