53575507 has 4 divisors (see below), whose sum is σ = 54453856. Its totient is φ = 52697160.

The previous prime is 53575493. The next prime is 53575513. The reversal of 53575507 is 70557535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70557535 = 5 ⋅14111507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53575507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53575537) 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, 439083 + ... + 439204.

It is an arithmetic number, because the mean of its divisors is an integer number (13613464).

Almost surely, 2^53575507 is an apocalyptic number.

53575507 is a deficient number, since it is larger than the sum of its proper divisors (878349).

53575507 is an equidigital number, since it uses as much as digits as its factorization.

53575507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878348.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 53575507 is about 7319.5291515233. The cubic root of 53575507 is about 376.9832867420.

The spelling of 53575507 in words is "fifty-three million, five hundred seventy-five thousand, five hundred seven".