53569730 has 16 divisors (see below), whose sum is σ = 96854400. Its totient is φ = 21332592.

The previous prime is 53569727. The next prime is 53569781. The reversal of 53569730 is 3796535.

53569730 = T₄ + T₅ + ... + T₆₈₄.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530 + ... + 14069.

It is an arithmetic number, because the mean of its divisors is an integer number (6053400).

Almost surely, 2^53569730 is an apocalyptic number.

53569730 is a deficient number, since it is larger than the sum of its proper divisors (43284670).

53569730 is a wasteful number, since it uses less digits than its factorization.

53569730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23833.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 53569730 is about 7319.1345116755. The cubic root of 53569730 is about 376.9697363291.

The spelling of 53569730 in words is "fifty-three million, five hundred sixty-nine thousand, seven hundred thirty".