54615816225886 has 4 divisors (see below), whose sum is σ = 81923724338832. Its totient is φ = 27307908112942.

The previous prime is 54615816225871. The next prime is 54615816225899. The reversal of 54615816225886 is 68852261851645.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13653954056470 + ... + 13653954056473.

It is an arithmetic number, because the mean of its divisors is an integer number (20480931084708).

Almost surely, 2^{54615816225886} is an apocalyptic number.

54615816225886 is a deficient number, since it is larger than the sum of its proper divisors (27307908112946).

54615816225886 is a wasteful number, since it uses less digits than its factorization.

54615816225886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27307908112945.

The product of its digits is 221184000, while the sum is 67.

The spelling of 54615816225886 in words is "fifty-four trillion, six hundred fifteen billion, eight hundred sixteen million, two hundred twenty-five thousand, eight hundred eighty-six".