56503306 has 16 divisors (see below), whose sum is σ = 86832000. Its totient is φ = 27563200.

The previous prime is 56503303. The next prime is 56503309. The reversal of 56503306 is 60330565.

It is an interprime number because it is at equal distance from previous prime (56503303) and next prime (56503309).

It is not an unprimeable number, because it can be changed into a prime (56503303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36945 + ... + 38443.

It is an arithmetic number, because the mean of its divisors is an integer number (5427000).

Almost surely, 2^56503306 is an apocalyptic number.

56503306 is a deficient number, since it is larger than the sum of its proper divisors (30328694).

56503306 is a wasteful number, since it uses less digits than its factorization.

56503306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 56503306 is about 7516.8680978184. The cubic root of 56503306 is about 383.7289980619.

The spelling of 56503306 in words is "fifty-six million, five hundred three thousand, three hundred six".