55071501656455 has 16 divisors (see below), whose sum is σ = 66138553562400. Its totient is φ = 44022035151360.

The previous prime is 55071501656449. The next prime is 55071501656489. The reversal of 55071501656455 is 55465610517055.

It is not a de Polignac number, because 55071501656455 - 2²¹ = 55071499559303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55071501656396 and 55071501656405.

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, 455788000 + ... + 455908810.

It is an arithmetic number, because the mean of its divisors is an integer number (4133659597650).

Almost surely, 2^{55071501656455} is an apocalyptic number.

55071501656455 is a deficient number, since it is larger than the sum of its proper divisors (11067051905945).

55071501656455 is a wasteful number, since it uses less digits than its factorization.

55071501656455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192834.

The product of its (nonzero) digits is 15750000, while the sum is 55.

The spelling of 55071501656455 in words is "fifty-five trillion, seventy-one billion, five hundred one million, six hundred fifty-six thousand, four hundred fifty-five".