56090303 has 4 divisors (see below), whose sum is σ = 56138208. Its totient is φ = 56042400.

The previous prime is 56090269. The next prime is 56090311. The reversal of 56090303 is 30309065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30309065 = 5 ⋅6061813.

It is a cyclic number.

It is not a de Polignac number, because 56090303 - 2¹² = 56086207 is a prime.

It is a super-2 number, since 2×56090303² = 6292244181263618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56090393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22151 + ... + 24552.

It is an arithmetic number, because the mean of its divisors is an integer number (14034552).

Almost surely, 2^56090303 is an apocalyptic number.

56090303 is a deficient number, since it is larger than the sum of its proper divisors (47905).

56090303 is a wasteful number, since it uses less digits than its factorization.

56090303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47904.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 56090303 is about 7489.3459661041. The cubic root of 56090303 is about 382.7917730485.

Adding to 56090303 its reverse (30309065), we get a palindrome (86399368).

The spelling of 56090303 in words is "fifty-six million, ninety thousand, three hundred three".