55125545656340 has 48 divisors (see below), whose sum is σ = 116844225297408. Its totient is φ = 21845294381184.

The previous prime is 55125545656331. The next prime is 55125545656343. The reversal of 55125545656340 is 4365654552155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125545656343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27169652 + ... + 29128011.

It is an arithmetic number, because the mean of its divisors is an integer number (2434254693696).

Almost surely, 2^{55125545656340} is an apocalyptic number.

It is an amenable number.

55125545656340 is an abundant number, since it is smaller than the sum of its proper divisors (61718679641068).

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

55125545656340 is a wasteful number, since it uses less digits than its factorization.

55125545656340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56298128 (or 56298126 counting only the distinct ones).

The product of its (nonzero) digits is 54000000, while the sum is 56.

The spelling of 55125545656340 in words is "fifty-five trillion, one hundred twenty-five billion, five hundred forty-five million, six hundred fifty-six thousand, three hundred forty".