55157430693810 has 32 divisors (see below), whose sum is σ = 133865225061120. Its totient is φ = 14543382474368.

The previous prime is 55157430693787. The next prime is 55157430693901. The reversal of 55157430693810 is 1839603475155.

It is a super-3 number, since 3×55157430693810³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 10329104202 + ... + 10329109541.

It is an arithmetic number, because the mean of its divisors is an integer number (4183288283160).

Almost surely, 2^{55157430693810} is an apocalyptic number.

55157430693810 is an abundant number, since it is smaller than the sum of its proper divisors (78707794367310).

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

55157430693810 is a wasteful number, since it uses less digits than its factorization.

55157430693810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20658213842.

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 55157430693810 in words is "fifty-five trillion, one hundred fifty-seven billion, four hundred thirty million, six hundred ninety-three thousand, eight hundred ten".