53500577 has 4 divisors (see below), whose sum is σ = 57616020. Its totient is φ = 49385136.

The previous prime is 53500571. The next prime is 53500591. The reversal of 53500577 is 77500535.

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 13608721 + 39891856 = 3689^2 + 6316^2 .

It is a cyclic number.

It is not a de Polignac number, because 53500577 - 2¹⁰ = 53499553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53500571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057702 + ... + 2057727.

It is an arithmetic number, because the mean of its divisors is an integer number (14404005).

Almost surely, 2^53500577 is an apocalyptic number.

It is an amenable number.

53500577 is a deficient number, since it is larger than the sum of its proper divisors (4115443).

53500577 is a wasteful number, since it uses less digits than its factorization.

53500577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115442.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 53500577 is about 7314.4088619655. The cubic root of 53500577 is about 376.8074567886.

The spelling of 53500577 in words is "fifty-three million, five hundred thousand, five hundred seventy-seven".