55641331405004 has 24 divisors (see below), whose sum is σ = 103792061167200. Its totient is φ = 26008423360256.

The previous prime is 55641331404983. The next prime is 55641331405007. The reversal of 55641331405004 is 40050413314655.

It is not an unprimeable number, because it can be changed into a prime (55641331405007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2745811592 + ... + 2745831855.

It is an arithmetic number, because the mean of its divisors is an integer number (4324669215300).

Almost surely, 2^{55641331405004} is an apocalyptic number.

It is an amenable number.

55641331405004 is a deficient number, since it is larger than the sum of its proper divisors (48150729762196).

55641331405004 is a wasteful number, since it uses less digits than its factorization.

55641331405004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491643617 (or 5491643615 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 55641331405004 its reverse (40050413314655), we get a palindrome (95691744719659).

The spelling of 55641331405004 in words is "fifty-five trillion, six hundred forty-one billion, three hundred thirty-one million, four hundred five thousand, four".