56503453443030 has 128 divisors (see below), whose sum is σ = 166688805657600. Its totient is φ = 13504879987200.

The previous prime is 56503453443023. The next prime is 56503453443071. The reversal of 56503453443030 is 3034435430565.

56503453443030 is a `hidden beast` number, since 5 + 6 + 50 + 3 + 4 + 534 + 4 + 30 + 30 = 666.

It is a super-2 number, since 2×56503453443030² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133766115 + ... + 134187854.

It is an arithmetic number, because the mean of its divisors is an integer number (1302256294200).

Almost surely, 2^{56503453443030} is an apocalyptic number.

56503453443030 is an abundant number, since it is smaller than the sum of its proper divisors (110185352214570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56503453443030 is a wasteful number, since it uses less digits than its factorization.

56503453443030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267954067 (or 267954061 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 45.

Adding to 56503453443030 its reverse (3034435430565), we get a palindrome (59537888873595).

The spelling of 56503453443030 in words is "fifty-six trillion, five hundred three billion, four hundred fifty-three million, four hundred forty-three thousand, thirty".