56051403 has 16 divisors (see below), whose sum is σ = 79115520. Its totient is φ = 35237664.

The previous prime is 56051393. The next prime is 56051419. The reversal of 56051403 is 30415065.

It is not a de Polignac number, because 56051403 - 2⁸ = 56051147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56051423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3751 + ... + 11232.

It is an arithmetic number, because the mean of its divisors is an integer number (4944720).

Almost surely, 2^56051403 is an apocalyptic number.

56051403 is a deficient number, since it is larger than the sum of its proper divisors (23064117).

56051403 is a wasteful number, since it uses less digits than its factorization.

56051403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15058.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56051403 is about 7486.7484931711. The cubic root of 56051403 is about 382.7032607577.

Adding to 56051403 its reverse (30415065), we get a palindrome (86466468).

The spelling of 56051403 in words is "fifty-six million, fifty-one thousand, four hundred three".