53402330 has 8 divisors (see below), whose sum is σ = 96124212. Its totient is φ = 21360928.

The previous prime is 53402317. The next prime is 53402333. The reversal of 53402330 is 3320435.

It can be written as a sum of positive squares in 2 ways, for example, as 48706441 + 4695889 = 6979^2 + 2167^2 .

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 (53402333) 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, 2670107 + ... + 2670126.

Almost surely, 2^53402330 is an apocalyptic number.

53402330 is a deficient number, since it is larger than the sum of its proper divisors (42721882).

53402330 is a wasteful number, since it uses less digits than its factorization.

53402330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340240.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 53402330 is about 7307.6897854247. The cubic root of 53402330 is about 376.5766624782.

Adding to 53402330 its reverse (3320435), we get a palindrome (56722765).

The spelling of 53402330 in words is "fifty-three million, four hundred two thousand, three hundred thirty".