53090330 has 8 divisors (see below), whose sum is σ = 95562612. Its totient is φ = 21236128.

The previous prime is 53090309. The next prime is 53090333. The reversal of 53090330 is 3309035.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52027369 + 1062961 = 7213^2 + 1031^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53090296 and 53090305.

It is not an unprimeable number, because it can be changed into a prime (53090333) 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, 2654507 + ... + 2654526.

Almost surely, 2^53090330 is an apocalyptic number.

53090330 is a deficient number, since it is larger than the sum of its proper divisors (42472282).

53090330 is a wasteful number, since it uses less digits than its factorization.

53090330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309040.

The product of its (nonzero) digits is 1215, while the sum is 23.

The square root of 53090330 is about 7286.3111380176. The cubic root of 53090330 is about 375.8418538565.

Adding to 53090330 its reverse (3309035), we get a palindrome (56399365).

The spelling of 53090330 in words is "fifty-three million, ninety thousand, three hundred thirty".