5604557551 has 4 divisors (see below), whose sum is σ = 5605549432. Its totient is φ = 5603565672.

The previous prime is 5604557537. The next prime is 5604557641. The reversal of 5604557551 is 1557554065.

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

It is a cyclic number.

It is not a de Polignac number, because 5604557551 - 2¹⁷ = 5604426479 is a prime.

It is a super-2 number, since 2×5604557551² = 62822130684942235202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5604557498 and 5604557507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5604557051) 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, 487416 + ... + 498781.

It is an arithmetic number, because the mean of its divisors is an integer number (1401387358).

Almost surely, 2^5604557551 is an apocalyptic number.

5604557551 is a deficient number, since it is larger than the sum of its proper divisors (991881).

5604557551 is an equidigital number, since it uses as much as digits as its factorization.

5604557551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991880.

The product of its (nonzero) digits is 525000, while the sum is 43.

The square root of 5604557551 is about 74863.5929607977. The cubic root of 5604557551 is about 1776.2896190180.

The spelling of 5604557551 in words is "five billion, six hundred four million, five hundred fifty-seven thousand, five hundred fifty-one".