56229936 has 80 divisors (see below), whose sum is σ = 170536704. Its totient is φ = 15628032.

The previous prime is 56229919. The next prime is 56229977. The reversal of 56229936 is 63992265.

It is a super-3 number, since 3×56229936³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10171 + ... + 14693.

Almost surely, 2^56229936 is an apocalyptic number.

56229936 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 56229936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85268352).

56229936 is an abundant number, since it is smaller than the sum of its proper divisors (114306768).

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

56229936 is a wasteful number, since it uses less digits than its factorization.

56229936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578 (or 4572 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 56229936 is about 7498.6622807005. The cubic root of 56229936 is about 383.1091545349.

The spelling of 56229936 in words is "fifty-six million, two hundred twenty-nine thousand, nine hundred thirty-six".