53779291 has 4 divisors (see below), whose sum is σ = 56609800. Its totient is φ = 50948784.

The previous prime is 53779289. The next prime is 53779301. The reversal of 53779291 is 19297735.

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 53779291 - 2¹ = 53779289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53779261) 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, 1415226 + ... + 1415263.

It is an arithmetic number, because the mean of its divisors is an integer number (14152450).

Almost surely, 2^53779291 is an apocalyptic number.

53779291 is a deficient number, since it is larger than the sum of its proper divisors (2830509).

53779291 is a wasteful number, since it uses less digits than its factorization.

53779291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830508.

The product of its digits is 119070, while the sum is 43.

The square root of 53779291 is about 7333.4365068500. The cubic root of 53779291 is about 377.4606563970.

The spelling of 53779291 in words is "fifty-three million, seven hundred seventy-nine thousand, two hundred ninety-one".