53135767 has 4 divisors (see below), whose sum is σ = 54849856. Its totient is φ = 51421680.

The previous prime is 53135749. The next prime is 53135777. The reversal of 53135767 is 76753135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76753135 = 5 ⋅15350627.

It is a cyclic number.

It is not a de Polignac number, because 53135767 - 2⁷ = 53135639 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 (53135707) 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, 856998 + ... + 857059.

It is an arithmetic number, because the mean of its divisors is an integer number (13712464).

Almost surely, 2^53135767 is an apocalyptic number.

53135767 is a deficient number, since it is larger than the sum of its proper divisors (1714089).

53135767 is a wasteful number, since it uses less digits than its factorization.

53135767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714088.

The product of its digits is 66150, while the sum is 37.

The square root of 53135767 is about 7289.4284412428. The cubic root of 53135767 is about 375.9490438529.

The spelling of 53135767 in words is "fifty-three million, one hundred thirty-five thousand, seven hundred sixty-seven".