53582412 has 48 divisors (see below), whose sum is σ = 136069472. Its totient is φ = 16312320.

The previous prime is 53582411. The next prime is 53582447. The reversal of 53582412 is 21428535.

It is a self number, because there is not a number n which added to its sum of digits gives 53582412.

It is not an unprimeable number, because it can be changed into a prime (53582411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13362 + ... + 16902.

Almost surely, 2^53582412 is an apocalyptic number.

53582412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53582412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68034736).

53582412 is an abundant number, since it is smaller than the sum of its proper divisors (82487060).

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

53582412 is a wasteful number, since it uses less digits than its factorization.

53582412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 3656 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 53582412 is about 7320.0008196721. Note that the first 3 decimals coincide. The cubic root of 53582412 is about 376.9994816908. Note that the first 3 decimals are identical.

The spelling of 53582412 in words is "fifty-three million, five hundred eighty-two thousand, four hundred twelve".