53810779 has 4 divisors (see below), whose sum is σ = 58702680. Its totient is φ = 48918880.

The previous prime is 53810719. The next prime is 53810807. The reversal of 53810779 is 97701835.

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

It is a cyclic number.

It is not a de Polignac number, because 53810779 - 2¹¹ = 53808731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53810719) 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, 2445934 + ... + 2445955.

It is an arithmetic number, because the mean of its divisors is an integer number (14675670).

Almost surely, 2^53810779 is an apocalyptic number.

53810779 is a deficient number, since it is larger than the sum of its proper divisors (4891901).

53810779 is a wasteful number, since it uses less digits than its factorization.

53810779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891900.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 53810779 is about 7335.5830715765. The cubic root of 53810779 is about 377.5343102888.

The spelling of 53810779 in words is "fifty-three million, eight hundred ten thousand, seven hundred seventy-nine".