53456573 has 4 divisors (see below), whose sum is σ = 53985948. Its totient is φ = 52927200.

The previous prime is 53456563. The next prime is 53456587. The reversal of 53456573 is 37565435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26030404 + 27426169 = 5102^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 53456573 - 2⁶ = 53456509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53456503) 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, 264536 + ... + 264737.

It is an arithmetic number, because the mean of its divisors is an integer number (13496487).

Almost surely, 2^53456573 is an apocalyptic number.

It is an amenable number.

53456573 is a deficient number, since it is larger than the sum of its proper divisors (529375).

53456573 is a wasteful number, since it uses less digits than its factorization.

53456573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529374.

The product of its digits is 189000, while the sum is 38.

The square root of 53456573 is about 7311.4002078945. The cubic root of 53456573 is about 376.7041209351.

The spelling of 53456573 in words is "fifty-three million, four hundred fifty-six thousand, five hundred seventy-three".