52559136 has 216 divisors, whose sum is σ = 182617344. Its totient is φ = 14031360.

The previous prime is 52559131. The next prime is 52559137. The reversal of 52559136 is 63195525.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52559136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52559131) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1695441 + ... + 1695471.

Almost surely, 2^52559136 is an apocalyptic number.

52559136 is a gapful number since it is divisible by the number (56) 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 52559136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91308672).

52559136 is an abundant number, since it is smaller than the sum of its proper divisors (130058208).

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

52559136 is a wasteful number, since it uses less digits than its factorization.

52559136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 72 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 52559136 is about 7249.7679962879. The cubic root of 52559136 is about 374.5841577043.

The spelling of 52559136 in words is "fifty-two million, five hundred fifty-nine thousand, one hundred thirty-six".