56378428 has 12 divisors (see below), whose sum is σ = 102952080. Its totient is φ = 26963552.

The previous prime is 56378419. The next prime is 56378431. The reversal of 56378428 is 82487365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306313 + ... + 306496.

It is an arithmetic number, because the mean of its divisors is an integer number (8579340).

Almost surely, 2^56378428 is an apocalyptic number.

It is an amenable number.

56378428 is a deficient number, since it is larger than the sum of its proper divisors (46573652).

56378428 is a wasteful number, since it uses less digits than its factorization.

56378428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612836 (or 612834 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 56378428 is about 7508.5569852003. The cubic root of 56378428 is about 383.4460962945.

The spelling of 56378428 in words is "fifty-six million, three hundred seventy-eight thousand, four hundred twenty-eight".