56287650 has 24 divisors (see below), whose sum is σ = 139593744. Its totient is φ = 15010000.

The previous prime is 56287631. The next prime is 56287657. The reversal of 56287650 is 5678265.

It is a happy number.

56287650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56287599 and 56287608.

It is not an unprimeable number, because it can be changed into a prime (56287657) 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 11 ways as a sum of consecutive naturals, for example, 187476 + ... + 187775.

It is an arithmetic number, because the mean of its divisors is an integer number (5816406).

Almost surely, 2^56287650 is an apocalyptic number.

56287650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56287650 is an abundant number, since it is smaller than the sum of its proper divisors (83306094).

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

56287650 is a wasteful number, since it uses less digits than its factorization.

56287650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375266 (or 375261 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 56287650 is about 7502.5095801338. The cubic root of 56287650 is about 383.2401832054.

The spelling of 56287650 in words is "fifty-six million, two hundred eighty-seven thousand, six hundred fifty".