53135879 has 8 divisors (see below), whose sum is σ = 53785728. Its totient is φ = 52489080.

The previous prime is 53135869. The next prime is 53135923. The reversal of 53135879 is 97853135.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53135879 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 (53135809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67124 + ... + 67910.

It is an arithmetic number, because the mean of its divisors is an integer number (6723216).

Almost surely, 2^53135879 is an apocalyptic number.

53135879 is a deficient number, since it is larger than the sum of its proper divisors (649849).

53135879 is a wasteful number, since it uses less digits than its factorization.

53135879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its digits is 113400, while the sum is 41.

The square root of 53135879 is about 7289.4361235969. The cubic root of 53135879 is about 375.9493079955.

The spelling of 53135879 in words is "fifty-three million, one hundred thirty-five thousand, eight hundred seventy-nine".