56503453443031 has 16 divisors (see below), whose sum is σ = 66287810534400. Its totient is φ = 48141522303000.

The previous prime is 56503453443023. The next prime is 56503453443071. The reversal of 56503453443031 is 13034435430565.

It is not a de Polignac number, because 56503453443031 - 2³ = 56503453443023 is a prime.

It is a super-2 number, since 2×56503453443031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56503453443011) 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, 493155595 + ... + 493270156.

It is an arithmetic number, because the mean of its divisors is an integer number (4142988158400).

Almost surely, 2^{56503453443031} is an apocalyptic number.

56503453443031 is a deficient number, since it is larger than the sum of its proper divisors (9784357091369).

56503453443031 is an equidigital number, since it uses as much as digits as its factorization.

56503453443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986425939 (or 986425925 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 46.

Adding to 56503453443031 its reverse (13034435430565), we get a palindrome (69537888873596).

The spelling of 56503453443031 in words is "fifty-six trillion, five hundred three billion, four hundred fifty-three million, four hundred forty-three thousand, thirty-one".