56909078 has 16 divisors (see below), whose sum is σ = 88560000. Its totient is φ = 27394752.

The previous prime is 56909077. The next prime is 56909089. The reversal of 56909078 is 87090965.

56909078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56909077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22523 + ... + 24921.

It is an arithmetic number, because the mean of its divisors is an integer number (5535000).

Almost surely, 2^56909078 is an apocalyptic number.

56909078 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56909078 is a deficient number, since it is larger than the sum of its proper divisors (31650922).

56909078 is a wasteful number, since it uses less digits than its factorization.

56909078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 56909078 is about 7543.8105755646. The cubic root of 56909078 is about 384.6453764981.

The spelling of 56909078 in words is "fifty-six million, nine hundred nine thousand, seventy-eight".