55315647062715 has 128 divisors (see below), whose sum is σ = 97434687651840. Its totient is φ = 26632990605312.

The previous prime is 55315647062713. The next prime is 55315647062729. The reversal of 55315647062715 is 51726074651355.

It is a happy number.

It is not a de Polignac number, because 55315647062715 - 2¹ = 55315647062713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55315647062713) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3051551982 + ... + 3051570108.

It is an arithmetic number, because the mean of its divisors is an integer number (761208497280).

Almost surely, 2^{55315647062715} is an apocalyptic number.

55315647062715 is a deficient number, since it is larger than the sum of its proper divisors (42119040589125).

55315647062715 is a wasteful number, since it uses less digits than its factorization.

55315647062715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093.

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 55315647062715 in words is "fifty-five trillion, three hundred fifteen billion, six hundred forty-seven million, sixty-two thousand, seven hundred fifteen".