55437908959608 has 64 divisors (see below), whose sum is σ = 161764111272960. Its totient is φ = 15502393992576.

The previous prime is 55437908959493. The next prime is 55437908959627. The reversal of 55437908959608 is 80695980973455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3510497991 + ... + 3510513782.

It is an arithmetic number, because the mean of its divisors is an integer number (2527564238640).

Almost surely, 2^{55437908959608} is an apocalyptic number.

It is an amenable number.

55437908959608 is an abundant number, since it is smaller than the sum of its proper divisors (106326202313352).

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

55437908959608 is a wasteful number, since it uses less digits than its factorization.

55437908959608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021011836 (or 7021011832 counting only the distinct ones).

The product of its (nonzero) digits is 2939328000, while the sum is 78.

The spelling of 55437908959608 in words is "fifty-five trillion, four hundred thirty-seven billion, nine hundred eight million, nine hundred fifty-nine thousand, six hundred eight".