53747553 has 8 divisors (see below), whose sum is σ = 71699488. Its totient is φ = 35813664.

The previous prime is 53747513. The next prime is 53747567. The reversal of 53747553 is 35574735.

53747553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53747553 - 2²⁴ = 36970337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53747513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5826 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (8962436).

Almost surely, 2^53747553 is an apocalyptic number.

It is an amenable number.

53747553 is a deficient number, since it is larger than the sum of its proper divisors (17951935).

53747553 is a wasteful number, since it uses less digits than its factorization.

53747553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023.

The product of its digits is 220500, while the sum is 39.

The square root of 53747553 is about 7331.2722633933. The cubic root of 53747553 is about 377.3863886290.

The spelling of 53747553 in words is "fifty-three million, seven hundred forty-seven thousand, five hundred fifty-three".