55374625197678 has 16 divisors (see below), whose sum is σ = 110753231222016. Its totient is φ = 18457544928120.

The previous prime is 55374625197667. The next prime is 55374625197679. The reversal of 55374625197678 is 87679152647355.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55374625197679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165686928 + ... + 166020803.

It is an arithmetic number, because the mean of its divisors is an integer number (6922076951376).

Almost surely, 2^{55374625197678} is an apocalyptic number.

55374625197678 is an abundant number, since it is smaller than the sum of its proper divisors (55378606024338).

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

55374625197678 is a wasteful number, since it uses less digits than its factorization.

55374625197678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331735559.

The product of its digits is 2667168000, while the sum is 75.

The spelling of 55374625197678 in words is "fifty-five trillion, three hundred seventy-four billion, six hundred twenty-five million, one hundred ninety-seven thousand, six hundred seventy-eight".