53197774 has 32 divisors (see below), whose sum is σ = 94878720. Its totient is φ = 21887712.

The previous prime is 53197733. The next prime is 53197813. The reversal of 53197774 is 47779135.

It is a self number, because there is not a number n which added to its sum of digits gives 53197774.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114667 + ... + 115129.

It is an arithmetic number, because the mean of its divisors is an integer number (2964960).

Almost surely, 2^53197774 is an apocalyptic number.

53197774 is a deficient number, since it is larger than the sum of its proper divisors (41680946).

53197774 is a wasteful number, since it uses less digits than its factorization.

53197774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

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

The square root of 53197774 is about 7293.6804152636. The cubic root of 53197774 is about 376.0952254286.

The spelling of 53197774 in words is "fifty-three million, one hundred ninety-seven thousand, seven hundred seventy-four".