56350491 has 4 divisors (see below), whose sum is σ = 75133992. Its totient is φ = 37566992.

The previous prime is 56350477. The next prime is 56350507. The reversal of 56350491 is 19405365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56350491 - 2⁷ = 56350363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56350421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9391746 + ... + 9391751.

It is an arithmetic number, because the mean of its divisors is an integer number (18783498).

Almost surely, 2^56350491 is an apocalyptic number.

56350491 is a deficient number, since it is larger than the sum of its proper divisors (18783501).

56350491 is a wasteful number, since it uses less digits than its factorization.

56350491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18783500.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 56350491 is about 7506.6964105391. The cubic root of 56350491 is about 383.3827499410.

The spelling of 56350491 in words is "fifty-six million, three hundred fifty thousand, four hundred ninety-one".