51730362 has 36 divisors (see below), whose sum is σ = 114605946. Its totient is φ = 16863600.

The previous prime is 51730307. The next prime is 51730363. The reversal of 51730362 is 26303715.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51710481 + 19881 = 7191^2 + 141^2 .

It is not an unprimeable number, because it can be changed into a prime (51730363) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39112 + ... + 40412.

Almost surely, 2^51730362 is an apocalyptic number.

51730362 is an abundant number, since it is smaller than the sum of its proper divisors (62875584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51730362 is a wasteful number, since it uses less digits than its factorization.

51730362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 51730362 is about 7192.3822200993. The cubic root of 51730362 is about 372.6048519451.

The spelling of 51730362 in words is "fifty-one million, seven hundred thirty thousand, three hundred sixty-two".