53412530 has 8 divisors (see below), whose sum is σ = 96142572. Its totient is φ = 21365008.

The previous prime is 53412503. The next prime is 53412533. The reversal of 53412530 is 3521435.

It can be written as a sum of positive squares in 2 ways, for example, as 52374169 + 1038361 = 7237^2 + 1019^2 .

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

It is a super-2 number, since 2×53412530² = 5705796722001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53412496 and 53412505.

It is not an unprimeable number, because it can be changed into a prime (53412533) 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, 2670617 + ... + 2670636.

Almost surely, 2^53412530 is an apocalyptic number.

53412530 is a deficient number, since it is larger than the sum of its proper divisors (42730042).

53412530 is a wasteful number, since it uses less digits than its factorization.

53412530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341260.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53412530 is about 7308.3876470806. The cubic root of 53412530 is about 376.6006366970.

Adding to 53412530 its reverse (3521435), we get a palindrome (56933965).

The spelling of 53412530 in words is "fifty-three million, four hundred twelve thousand, five hundred thirty".