56178132 has 72 divisors (see below), whose sum is σ = 141524544. Its totient is φ = 17338368.

The previous prime is 56178131. The next prime is 56178197. The reversal of 56178132 is 23187165.

It is a junction number, because it is equal to n+sod(n) for n = 56178093 and 56178102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56178131) 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, 336313 + ... + 336479.

Almost surely, 2^56178132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56178132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70762272).

56178132 is an abundant number, since it is smaller than the sum of its proper divisors (85346412).

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

56178132 is a wasteful number, since it uses less digits than its factorization.

56178132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 286 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 56178132 is about 7495.2072686484. The cubic root of 56178132 is about 382.9914670183.

The spelling of 56178132 in words is "fifty-six million, one hundred seventy-eight thousand, one hundred thirty-two".