55241213616506 has 16 divisors (see below), whose sum is σ = 82899365737320. Its totient is φ = 27608094286080.

The previous prime is 55241213616499. The next prime is 55241213616517. The reversal of 55241213616506 is 60561631214255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50948688487225 + 4292525129281 = 7137835^2 + 2071841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42474230 + ... + 43755486.

Almost surely, 2^{55241213616506} is an apocalyptic number.

55241213616506 is a deficient number, since it is larger than the sum of its proper divisors (27658152120814).

55241213616506 is a wasteful number, since it uses less digits than its factorization.

55241213616506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291009.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 55241213616506 in words is "fifty-five trillion, two hundred forty-one billion, two hundred thirteen million, six hundred sixteen thousand, five hundred six".