55151051506660 has 12 divisors (see below), whose sum is σ = 115817208164028. Its totient is φ = 22060420602656.

The previous prime is 55151051506637. The next prime is 55151051506669. The reversal of 55151051506660 is 6660515015155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29868236153856 + 25282815352804 = 5465184^2 + 5028202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55151051506660.

It is not an unprimeable number, because it can be changed into a prime (55151051506669) 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, 1378776287647 + ... + 1378776287686.

It is an arithmetic number, because the mean of its divisors is an integer number (9651434013669).

Almost surely, 2^{55151051506660} is an apocalyptic number.

It is an amenable number.

55151051506660 is an abundant number, since it is smaller than the sum of its proper divisors (60666156657368).

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

55151051506660 is a wasteful number, since it uses less digits than its factorization.

55151051506660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757552575342 (or 2757552575340 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 55151051506660 in words is "fifty-five trillion, one hundred fifty-one billion, fifty-one million, five hundred six thousand, six hundred sixty".