56238336 has 216 divisors, whose sum is σ = 202797504. Its totient is φ = 14561280.

The previous prime is 56238331. The next prime is 56238349. The reversal of 56238336 is 63383265.

It is a happy number.

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 56238336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56238331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177250 + ... + 177566.

Almost surely, 2^56238336 is an apocalyptic number.

56238336 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 56238336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101398752).

56238336 is an abundant number, since it is smaller than the sum of its proper divisors (146559168).

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

56238336 is a wasteful number, since it uses less digits than its factorization.

56238336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 340 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 56238336 is about 7499.2223596850. Note that the first 3 decimals coincide. The cubic root of 56238336 is about 383.1282307120.

Subtracting 56238336 from its reverse (63383265), we obtain a square (7144929 = 2673²).

The spelling of 56238336 in words is "fifty-six million, two hundred thirty-eight thousand, three hundred thirty-six".