55506417604 has 27 divisors (see below), whose sum is σ = 106779547021. Its totient is φ = 25227833840.

The previous prime is 55506417563. The next prime is 55506417611. The reversal of 55506417604 is 40671460555.

The square root of 55506417604 is 235598.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 53452515204 + 2053902400 = 231198^2 + 45320^2 .

It is a super-2 number, since 2×55506417604² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5177802 + ... + 5188510.

Almost surely, 2^55506417604 is an apocalyptic number.

55506417604 is the 235598-th square number.

It is an amenable number.

55506417604 is a deficient number, since it is larger than the sum of its proper divisors (51273129417).

55506417604 is an equidigital number, since it uses as much as digits as its factorization.

55506417604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444 (or 10722 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 55506417604 in words is "fifty-five billion, five hundred six million, four hundred seventeen thousand, six hundred four".