55331662604610 has 256 divisors, whose sum is σ = 163652821770240. Its totient is φ = 11699028633600.

The previous prime is 55331662604549. The next prime is 55331662604641. The reversal of 55331662604610 is 1640626613355.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55331662604610.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19657806 + ... + 22295574.

It is an arithmetic number, because the mean of its divisors is an integer number (639268835040).

Almost surely, 2^{55331662604610} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55331662604610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81826410885120).

55331662604610 is an abundant number, since it is smaller than the sum of its proper divisors (108321159165630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55331662604610 is a wasteful number, since it uses less digits than its factorization.

55331662604610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637953.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 55331662604610 in words is "fifty-five trillion, three hundred thirty-one billion, six hundred sixty-two million, six hundred four thousand, six hundred ten".