56353104553 has 4 divisors (see below), whose sum is σ = 56432587780. Its totient is φ = 56273621328.

The previous prime is 56353104547. The next prime is 56353104559. The reversal of 56353104553 is 35540135365.

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

It is an interprime number because it is at equal distance from previous prime (56353104547) and next prime (56353104559).

It can be written as a sum of positive squares in 2 ways, for example, as 18999038569 + 37354065984 = 137837^2 + 193272^2 .

It is a cyclic number.

It is not a de Polignac number, because 56353104553 - 2¹³ = 56353096361 is a prime.

It is a super-2 number, since 2×56353104553² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56353104559) 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, 39740550 + ... + 39741967.

It is an arithmetic number, because the mean of its divisors is an integer number (14108146945).

Almost surely, 2^56353104553 is an apocalyptic number.

It is an amenable number.

56353104553 is a deficient number, since it is larger than the sum of its proper divisors (79483227).

56353104553 is an equidigital number, since it uses as much as digits as its factorization.

56353104553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79483226.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 56353104553 in words is "fifty-six billion, three hundred fifty-three million, one hundred four thousand, five hundred fifty-three".