56103378 has 16 divisors (see below), whose sum is σ = 112280256. Its totient is φ = 18688880.

The previous prime is 56103353. The next prime is 56103389. The reversal of 56103378 is 87330165.

It is a happy number.

It is a super-4 number, since 4×56103378⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15808 + ... + 19028.

It is an arithmetic number, because the mean of its divisors is an integer number (7017516).

Almost surely, 2^56103378 is an apocalyptic number.

56103378 is an abundant number, since it is smaller than the sum of its proper divisors (56176878).

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

56103378 is a wasteful number, since it uses less digits than its factorization.

56103378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 56103378 is about 7490.2188219037. The cubic root of 56103378 is about 382.8215144555.

The spelling of 56103378 in words is "fifty-six million, one hundred three thousand, three hundred seventy-eight".