53057534 has 8 divisors (see below), whose sum is σ = 79620240. Its totient is φ = 26517456.

The previous prime is 53057531. The next prime is 53057539. The reversal of 53057534 is 43575035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53057534² = 5630203828322312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53057534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2642 + ... + 10634.

It is an arithmetic number, because the mean of its divisors is an integer number (9952530).

Almost surely, 2^53057534 is an apocalyptic number.

53057534 is a deficient number, since it is larger than the sum of its proper divisors (26562706).

53057534 is a wasteful number, since it uses less digits than its factorization.

53057534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53057534 is about 7284.0602688336. The cubic root of 53057534 is about 375.7644471146.

The spelling of 53057534 in words is "fifty-three million, fifty-seven thousand, five hundred thirty-four".