10555600549 has 4 divisors (see below), whose sum is σ = 11367569836. Its totient is φ = 9743631264.

The previous prime is 10555600541. The next prime is 10555600567. The reversal of 10555600549 is 94500655501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 923552100 + 9632048449 = 30390^2 + 98143^2 .

It is a cyclic number.

It is not a de Polignac number, because 10555600549 - 2³ = 10555600541 is a prime.

It is a super-2 number, since 2×10555600549² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555600541) 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, 405984624 + ... + 405984649.

It is an arithmetic number, because the mean of its divisors is an integer number (2841892459).

Almost surely, 2^10555600549 is an apocalyptic number.

It is an amenable number.

10555600549 is a deficient number, since it is larger than the sum of its proper divisors (811969287).

10555600549 is an equidigital number, since it uses as much as digits as its factorization.

10555600549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811969286.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 10555600549 in words is "ten billion, five hundred fifty-five million, six hundred thousand, five hundred forty-nine".