53530553 has 4 divisors (see below), whose sum is σ = 53640960. Its totient is φ = 53420148.

The previous prime is 53530541. The next prime is 53530559. The reversal of 53530553 is 35503535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53530553 - 2⁴ = 53530537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53530559) 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, 54473 + ... + 55446.

It is an arithmetic number, because the mean of its divisors is an integer number (13410240).

Almost surely, 2^53530553 is an apocalyptic number.

It is an amenable number.

53530553 is a deficient number, since it is larger than the sum of its proper divisors (110407).

53530553 is a wasteful number, since it uses less digits than its factorization.

53530553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110406.

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 53530553 is about 7316.4576811460. The cubic root of 53530553 is about 376.8778178456.

The spelling of 53530553 in words is "fifty-three million, five hundred thirty thousand, five hundred fifty-three".