53174779 has 4 divisors (see below), whose sum is σ = 60771184. Its totient is φ = 45578376.

The previous prime is 53174767. The next prime is 53174791. The reversal of 53174779 is 97747135.

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

It is an interprime number because it is at equal distance from previous prime (53174767) and next prime (53174791).

It is a cyclic number.

It is not a de Polignac number, because 53174779 - 2⁵ = 53174747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53174729) 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, 3798192 + ... + 3798205.

It is an arithmetic number, because the mean of its divisors is an integer number (15192796).

Almost surely, 2^53174779 is an apocalyptic number.

53174779 is a deficient number, since it is larger than the sum of its proper divisors (7596405).

53174779 is an equidigital number, since it uses as much as digits as its factorization.

53174779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596404.

The product of its digits is 185220, while the sum is 43.

The square root of 53174779 is about 7292.1038802255. The cubic root of 53174779 is about 376.0410279472.

The spelling of 53174779 in words is "fifty-three million, one hundred seventy-four thousand, seven hundred seventy-nine".