56378412 has 36 divisors (see below), whose sum is σ = 143783640. Its totient is φ = 18625152.

The previous prime is 56378393. The next prime is 56378419. The reversal of 56378412 is 21487365.

56378412 is a `hidden beast` number, since 5 + 637 + 8 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (56378419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2862 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (3993990).

Almost surely, 2^56378412 is an apocalyptic number.

It is an amenable number.

56378412 is an abundant number, since it is smaller than the sum of its proper divisors (87405228).

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

56378412 is a wasteful number, since it uses less digits than its factorization.

56378412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13982 (or 13977 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 56378412 is about 7508.5559197491. Note that the first 3 decimals coincide. The cubic root of 56378412 is about 383.4460600210.

The spelling of 56378412 in words is "fifty-six million, three hundred seventy-eight thousand, four hundred twelve".