53528574 has 16 divisors (see below), whose sum is σ = 116789760. Its totient is φ = 16220760.

The previous prime is 53528561. The next prime is 53528581. The reversal of 53528574 is 47582535.

It is a super-3 number, since 3×53528574³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405454 + ... + 405585.

It is an arithmetic number, because the mean of its divisors is an integer number (7299360).

Almost surely, 2^53528574 is an apocalyptic number.

53528574 is an abundant number, since it is smaller than the sum of its proper divisors (63261186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53528574 is a wasteful number, since it uses less digits than its factorization.

53528574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811055.

The product of its digits is 168000, while the sum is 39.

The square root of 53528574 is about 7316.3224368531. The cubic root of 53528574 is about 376.8731734550.

The spelling of 53528574 in words is "fifty-three million, five hundred twenty-eight thousand, five hundred seventy-four".