55255312053140 has 12 divisors (see below), whose sum is σ = 116036155311636. Its totient is φ = 22102124821248.

The previous prime is 55255312053083. The next prime is 55255312053143. The reversal of 55255312053140 is 4135021355255.

It can be written as a sum of positive squares in 2 ways, for example, as 13415268734596 + 41840043318544 = 3662686^2 + 6468388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255312053143) 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, 1381382801309 + ... + 1381382801348.

It is an arithmetic number, because the mean of its divisors is an integer number (9669679609303).

Almost surely, 2^{55255312053140} is an apocalyptic number.

It is an amenable number.

55255312053140 is an abundant number, since it is smaller than the sum of its proper divisors (60780843258496).

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

55255312053140 is a wasteful number, since it uses less digits than its factorization.

55255312053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762765602666 (or 2762765602664 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 55255312053140 in words is "fifty-five trillion, two hundred fifty-five billion, three hundred twelve million, fifty-three thousand, one hundred forty".