53454779 has 4 divisors (see below), whose sum is σ = 61091184. Its totient is φ = 45818376.

The previous prime is 53454721. The next prime is 53454781. The reversal of 53454779 is 97745435.

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 53454779 - 2²⁰ = 52406203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53454179) 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, 3818192 + ... + 3818205.

It is an arithmetic number, because the mean of its divisors is an integer number (15272796).

Almost surely, 2^53454779 is an apocalyptic number.

53454779 is a deficient number, since it is larger than the sum of its proper divisors (7636405).

53454779 is an equidigital number, since it uses as much as digits as its factorization.

53454779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636404.

The product of its digits is 529200, while the sum is 44.

The square root of 53454779 is about 7311.2775217468. The cubic root of 53454779 is about 376.6999068306.

The spelling of 53454779 in words is "fifty-three million, four hundred fifty-four thousand, seven hundred seventy-nine".