56171275559954 has 4 divisors (see below), whose sum is σ = 84256913339934. Its totient is φ = 28085637779976.

The previous prime is 56171275559951. The next prime is 56171275559963. The reversal of 56171275559954 is 45995557217165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41434621402729 + 14736654157225 = 6436973^2 + 3838835^2 .

It is not an unprimeable number, because it can be changed into a prime (56171275559951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14042818889987 + ... + 14042818889990.

Almost surely, 2^{56171275559954} is an apocalyptic number.

56171275559954 is a deficient number, since it is larger than the sum of its proper divisors (28085637779980).

56171275559954 is a wasteful number, since it uses less digits than its factorization.

56171275559954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28085637779979.

The product of its digits is 595350000, while the sum is 71.

The spelling of 56171275559954 in words is "fifty-six trillion, one hundred seventy-one billion, two hundred seventy-five million, five hundred fifty-nine thousand, nine hundred fifty-four".