53840574 has 12 divisors (see below), whose sum is σ = 116654616. Its totient is φ = 17946852.

The previous prime is 53840573. The next prime is 53840593. The reversal of 53840574 is 47504835.

53840574 is a `hidden beast` number, since 5 + 3 + 84 + 0 + 574 = 666.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53840573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1495554 + ... + 1495589.

It is an arithmetic number, because the mean of its divisors is an integer number (9721218).

Almost surely, 2^53840574 is an apocalyptic number.

53840574 is an abundant number, since it is smaller than the sum of its proper divisors (62814042).

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

53840574 is a wasteful number, since it uses less digits than its factorization.

53840574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991151 (or 2991148 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53840574 is about 7337.6136447758. The cubic root of 53840574 is about 377.6039776151.

The spelling of 53840574 in words is "fifty-three million, eight hundred forty thousand, five hundred seventy-four".